Obviously dependent on what way companies are working at the minute but @big_pete (PMG Autocare) might be able to do something with the interior?
White vinegar diluted with water or baking soda (Shake over the top) should both work if you put them on and leave them a few days. Go for an enzyme Cleaner if you are going the chemical route, I’m not sure where you would get one local though. Some of the supermarkets might sell it for cleaning animal smells.