You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a janus kinase inhibitor. Please represent the molecule in SMILES.
user
O=C(O)c1ccnc(Nc2cc(NC(=O)c3c(Cl)cccc3Cl)ccn2)c1
assistant