I agree that dry and vacuum should be the first step, and if it works, OK. If it doesn’t, then you need to clean the interior and I would recommend that you use good old 20 mule team Borax instead of bleach. The Borax residuals will keep killing any new molds that might try to grow where bleach is one shot only.
You can do a traditional water and borax with some detergent, but you might just try rubbing Borax powder into the carpet and fabrics, let is sit for a few days and then vacuum it out and see if that does the trick.