I think you are aiming way to high on your school list. Chicago, Stanford, and Cornell are huge reaches. San Fransisco is elite and your stats are not near what they look for. Your GPA is really low for those schools, and even though the Post bacc and the MCAT are redeeming, your chances are still low. You need to add alot more reasonable schools, and not care as much about prestige. You should also add at least a few DO schools to maximize your chances.