If you won’t do something so simple, my guess is you won’t show well in essays or LOR’s.
You are asking for a chance me and won’t do a three minute exercise. These privates know how to find the creme de la creme.
UIUC certainly reasonable, moreso for Chem than CS. UCB Unlikely. Not a toss up would be my guess but provide the 3 UC GPAs which you’ll need to calculate (effort) and you’ll get a targeted answer.