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: It belongs to the cancer treatment class of molecules.
user
COC(=O)CC(Cc1ccccc1)c1nc(Nc2ccc(C3CCN(C(=O)OC(C)(C)C)CC3)cc2)ncc1C(F)(F)F
assistant