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, a protein tyrosine kinase inhibitor, and autoimmune disease treatment.
user
O=C(CN1CCCN(c2ncnc3[nH]ccc23)CC12CC2)c1ccccc1Cl
assistant