You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a jak inhibitor.
user
Cc1cc(Nc2cn3ccnc3c(NC3CC4CCC(C3)N4CCC#N)n2)n[nH]1
assistant