You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a cyclindependent kinase inhibitor. Please represent the molecule in SMILES.
user
O=CN(c1nc(Nc2ccc(N3CCNCC3)cc2F)ncc1CC1CCNC1=O)C1CCCC1
assistant