oracle transaction with multi OracleConnection c#?

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C#

T-SQL

I have 2 database,
oracle transaction with multi OracleConnection c #
Table 1 in the database 1

Table 2 in the database 2

When save new data to Table 1, I want to save the data in Table 2 in the database 2
How can I do this in oracle transaction

 (OracleConnection connection1 = new OracleConnection(connectionstring1) )// databsse1
            {OracleConnection connection2=new OracleConnection (connectionstring2);//database2
                connection.Open();

                OracleCommand command = connection.CreateCommand();
                OracleTransaction trans;

                trans = connection.BeginTransaction(IsolationLevel.ReadCommitted);
                command.Transaction = trans;
                try
{
command.Text =sql1//insert into table1 in database1
 command.ExecuteNonQuery();
command.Text =sql2//insert into table2 in database2
//Here the problem by looking for a solution
How can I do that
trans.Commit();
}
catch (Exception ex)
                {

                    trans.Rollback();
                }
            }