Dynamic Controller and Action name in Route attribute in ASP.Net MVC

my scenarios is that how to change name dynamically in routing

like 

otc/productname

food/productname

my code is

[Route("products/{id?}")]
public ActionResult About(string id)
{
    ViewBag.Message = "Your application description page.";

    return View("About");
}

it work but "product" is static i want also change name