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
O=C1Cc2cnc(Nc3ccc(C(=O)NCCCN4CCOCC4)cc3)nc2-c2ccccc2N1
assistant