To upload file using SFTP in C#

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C#

I have created code for uploading file to SFTP remote server, But it shows error as
"The given path's format is not supported."

i have given my code and sample details. Iam sure path which iam giving is incorrect, Kindly rectify me.

my dll for SFTP is:
using Renci.SshNet;
using Renci.SshNet.Sftp;

sample data:
server: 192.168.1.1
remotemachine(fileZilla LocalPath):"C:\Program Files\JSCAPE MFT Server\users\hind\scope"

public Form1()
       {
           InitializeComponent();

           source = @"E:\To_Upload\tests_example.xls";//

       destination = "sftp://scope@hind/" + @" C:\Program Files\JSCAPE MFT Server\users\hind\scope";
           host = "hind";
           username = "scope";
           password = "S@ssw0rd987";
           port = 22;
         UploadSFTPFile(host, username, password, source, destination, port);
       }


public static void UploadSFTPFile(string host, string username, string password, string sourcefile, string destinationpath, int port)
       {
           try
           {


               using (SftpClient client = new SftpClient(host, port, username, password))
               {
                   client.Connect();
                   client.ChangeDirectory(destinationpath);
                   using (FileStream fs = new FileStream(sourcefile, FileMode.Open))
                   {
                       client.BufferSize = 4 * 1024;
                       client.UploadFile(fs, Path.GetFileName(sourcefile));
                   }
               }
           }
           catch (Exception ex)
           {

               MessageBox.Show(ex.StackTrace, "UploadSFTPFile");
           }
       }

Kindly rectify my problem. and how to pass SFTP path in destination

What I have tried:

public Form1()
        {
            InitializeComponent();

            source = @"E:\To_Upload\tests_example.xls";
         
        destination = "sftp://scope@hind/" + @" C:\Program Files\JSCAPE MFT Server\users\hind\scope";
            host = "hind";
            username = "scope";
            password = "S@ssw0rd987";
            port = 22;  
          UploadSFTPFile(host, username, password, source, destination, port);
        }


 public static void UploadSFTPFile(string host, string username, string password, string sourcefile, string destinationpath, int port)
        {
            try
            {


                using (SftpClient client = new SftpClient(host, port, username, password))
                {
                    client.Connect();
                    client.ChangeDirectory(destinationpath);
                    using (FileStream fs = new FileStream(sourcefile, FileMode.Open))
                    {
                        client.BufferSize = 4 * 1024;
                        client.UploadFile(fs, Path.GetFileName(sourcefile));
                    }
                }
            }
            catch (Exception ex)
            {

                MessageBox.Show(ex.StackTrace, "UploadSFTPFile");
            }
        }