You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a cancer treatment.
user
Cn1c(=O)n(C2CCC(=O)NC2=O)c2cccc(C3CCN(CC4(F)CCN(C5CCN(C(=O)OC(C)(C)C)CC5)CC4)CC3)c21
assistant