You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a cell cycle inhibitor and is anti proliferative.
user
Cc1ncc(-c2nc(Nc3ccc(C(=O)NCC(C)(C)N(C)C)c(F)c3)ncc2F)n1C(C)C
assistant