Retrieve stored procedure name that has just been executed

using (SqlConnection conn = new SqlConnection(sqlConnectionString))
{
    conn.Open();
    Server server = new Server(new ServerConnection(conn));
    SqlTransaction transaction;
    transaction = conn.BeginTransaction();

    try
    {
        server.ConnectionContext.ExecuteNonQuery(content);
        transaction.Commit();

        //I wanna retrieve the name after commit.
        using (SqlCommand cmd = new SqlCommand("SELECT OBJECT_NAME(@@PROCID)", conn))
        {
            SqlDataReader reader = cmd.ExecuteReader();
            while (reader.Read())
            {
                using (StreamWriter sw = new StreamWriter(@"C:\Users\Desktop\" + DateTime.Now.ToString("yyyyMMdd") + "_Extra.txt", true))
                {
                    sw.WriteLine(reader);
                    sw.Close();
                }
            }
        }

        return true;
    }
    catch(Exception ex){}
}