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 cancer treatment.
user
O=C(Nc1cnn(Cc2ccccc2)c1)c1ccc2cc3n(c2n1)CCNC3=O
assistant