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 jak inhibitor.
user
CSc1ccc(OC(F)F)c(-c2nn(Cc3nnn(C4CN(CCCN(C)C)C4)n3)cc2NC(=O)c2cnn3cccnc23)c1
assistant