I always get error code CS1513 C# } expected

See more:

C#6.0

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using WeAreDevs_API;
using System.Diagnostics;

namespace YouSploit_v2._7
{
    public partial class Form2 : Form
    {

        ExploitAPI api = new ExploitAPI();

        public Form2()
        {
            InitializeComponent();
        }

        private void tabPage1_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            Process.Start("https://www.youtube.com/channel/UCbc2fTEAHWAq6bR1CMYBzeA");
            MessageBox.Show("If You Dont See The Message Box Apear Saying The Injection Was Successful THEN WHY DID U NEVER OPEN UP ROBLOX");
            api.LaunchExploit();
        }

        private void checkBox1_CheckedChanged(object sender, EventArgs e)
        {
            api.ToggleClickTeleport();
        }

        private void checkBox2_CheckedChanged(object sender, EventArgs e)
        {
            TopMost = true;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            string Script = richTextBox1.Text;
            api.SendLimitedLuaScript(Script);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            richTextBox1.Text = "";
        }

        private void button19_Click(object sender, EventArgs e)
        {
            int value = 100;
            api.SetJumpPower(value);
        }

        private void button20_Click(object sender, EventArgs e)
        {
            
        }

        private void button20_Click_1(object sender, EventArgs e)
        {
            string username = textBox1.Text; ,string text = textBox2.Text; 
            api.ForceBubbleChat(username, text);
        }
    }
}

at string username = textBox1.Text; , string text = textBox2.Text; the comma to seperate it it says expected }

What I have tried:

i have tried switching the brackets around but that will only give me more errors