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
CN(c1ncnc2[nH]ccc12)C1CC2CN(C(=O)C3(O)CC3)CC2(C)C1
assistant