Well, think of it as a learning experience.
Now you'll know how serious it is to click your own ads and to read the terms you agree to before acting.
If you do a few searches, there have been a few threads about people getting reinstated. One from just a few days ago if you scroll down a bit in this forum.
It's not likely that you'll get reinstated, so your best course may be to look into other advertising networks for your site.