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
C=CC(=O)Nc1ccc(Nc2ccc(CCNc3nccc(N4C(=O)OCC4C(C)C)n3)cc2)cc1
assistant