You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a jak inhibitor.
user
C=CC(C(=O)Nc1cn(C2CCN(CC(=O)NC)CC2)nc1-c1cc(Cl)ccc1OC(F)F)=C1N=CC=CN1C
assistant