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 cdk inhibitor and belongs to the cancer treatment class of molecules.
user
CCN1CCN(C(c2ccc(Nc3ncc(F)c(-c4cc(F)c5nc(C)n(C(C)C)c5c4)n3)nc2)C2CCCC2)CC1
assistant