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 protein kinase inhibitor.
user
CC(=O)c1cc(-c2ccnc3[nH]ncc23)cc(C(C)(C)C#N)c1
assistant