You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a autoimmune treatment, a jak3 inhibitor, a anti cancer, and asthma treatment.
user
O=c1[nH]ccc2c3nc(-c4cccnc4)[nH]c3c3ccc(F)cc3c12
assistant