You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is a jak inhibitor.
user
CCc1cc(O)c(F)cc1-c1ccc2c(-c3nc4c([nH]3)CN(C(=O)CC#N)C4)n[nH]c2c1
assistant