using System;
using System.Net.Http;
using System.Threading.Tasks;
using Newtonsoft.Json;

namespace TelegramBot
{
    class Program
    {
        static async Task Main(string[] args)
        {
            var botToken = "ТОКЕН_ТВОЕГО_БОТА";
            var httpClient = new HttpClient();
            var chatId = "ID_ЧАТА_ПОЛЬЗОВАТЕЛЯ";
            var message = "Привет, я ChatGPT! Чем могу помочь?";
            var url = $"https://api.telegram.org/bot{botToken}/sendMessage?chat_id={chatId}&text={message}";
            var response = await httpClient.GetAsync(url);
            var content = await response.Content.ReadAsStringAsync();
            var result = JsonConvert.DeserializeObject<dynamic>(content);
            Console.WriteLine(result);
        }
    }
}