I am trying to build a discord bot in visual studio and while executing the code I am getting few exceptions errors. Pelase help me to resolve that. Below is my line by line code, please check and help me to run this code perfectly.

using Discord;
using Discord.Commands;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace A2
{
    class MyBot
    {
        DiscordClient discord;

        public MyBot()
        {
            discord = new DiscordClient(x =>
          {
              x.LogLevel = LogSeverity.Info;

              x.LogHandler = Log;
          });
            discord.UsingCommands(x =>         
            {
                x.PrefixChar = '~';
                x.AllowMentionPrefix = true;

            });

            var commands = discord.GetService<CommandService>();

            commands.CreateCommand("Hello")
                .Do (async (e) =>
                {
                   await e.Channel.SendMessage("Hey");
                });

            discord.ExecuteAndWait(async () =>
            {
                await discord.Connect("My discord token", TokenType.Bot);
            });
        }
      private void Log(object sender, LogMessageEventArgs e)
        {
            Console.WriteLine(e.Message);
        }  
    }
}

 Errors:
cs1002     ; expected                   line 3

cs1001     identifier expected    line 17

cs1002     ; expected                   line 17

cs1519    invalid token '(' in class, struct, or interface member declaration     line 20

cs1022    type or namespace definition, or end of file expected     line 23