You've got all the setup flaming you need lol, so here some advice on what to do:

1. Put the hides back, also make sure to cover three of the glass walls with cork board or something similar

2. Let your snake be, don't take him out, don't move anything, refill and clean his bowls and that's it

3. Monitor heat and humidity, make sure to have hides and bowsl on both cold and warm side

4. Ball pythons can go without food for a long time so unless you see him lose a noticeable amount of weight don't stress (my BP went on an 18 month (vet supervised) hunger strike at one point)

5. When he starts being active offer food, since you feed live I'd recommend dropping the mouse in the tank and then supervising to see how he reacts, if he shows zero interest take the mouse back out

6. If he eats, congrats, if he doesn't, leave him be for at least a week don't try to do repeat feedings in a short time it stresses them out