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 and a anti cancer, belonging to the anti cancer agent class of molecules.
user
COC1(OC)CC(C(=O)O)(C(F)(F)C(C)C)C1
assistant