You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is a janus kinase inhibitor.
user
CC(C)Sc1cncc(C(CC#N)n2cc(-c3ncnc4[nH]ccc34)cn2)c1.O=C(O)C(F)(F)F
assistant