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: The molecule is a cell cycle inhibitor, cancer treatment, protein kinase inhibitor, anti tumor, and anti proliferative.
user
CN1CCC(NC(=O)c2ccc(Nc3nc(N)c(C(=O)c4c(F)cccc4F)s3)cc2)C1
assistant