Экранирование
string[] strArray = new String[] {
"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9",
"Accept-Language: ru-RU,ru;q=0.8,en-US;q=0.5,en;q=0.3"...