Dictionary<string, string> titleReplaces = new Dictionary<string, string>();
titleReplaces.Add("ID","_SKU_");
titleReplaces.Add("Артикул","_MODEL_");
titleReplaces.Add("Название","_NAME_");
titleReplaces.Add("Бренд","_MANUFACTURER");
titleReplaces.Add("Цена","_PRICE_")...