Do you sell smelleze or anything to get rid of a dead rat smell?

Yes they do. It's called Rat Sorb and it cost over $15 for one ounce.

I really don't know, but they do sell deodorizer .

They will sell you deodorizer, if you can pin point the smell ,use baking soda to neutralize the smell.shake it and leave it .if you need to vacume wait a hour