You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a cancer treatment.
user
Cn1c(=O)n(C2CCC(=O)NC2=O)c2cccc(CN3CCC(CN4CCC(C5CCN(c6nccc(COc7ccc(C(C)(C)c8cc(Cl)c(OCCCl)c(C9C=N9)c8)cc7)n6)CC5)CC4)CC3)c21
assistant