You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to the anti proliferative class of molecules.
user
Cn1ccc2c(=O)n(CC3(O)CCN(C(=O)C4CCN(C(=O)c5ncc(-c6ccccc6)s5)CC4c4ccccc4)CC3)cnc21
assistant