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
C=CC(=O)N1CCN(c2nc(OCC3CC(CC(=O)N4CCN(CCNC(=O)c5nnc(-c6cc(C(C)C)c(O)cc6O)n5-c5ccccc5)CC4)CN3C)nc3c2CCN(c2cccc4cccc(Cl)c24)C3)CC1CC#N
assistant