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 cdk inhibitor. Please represent the molecule in SMILES.
user
O=C(CN1CCCC(Nc2ncc(Cl)c(-c3c[nH]c4ccccc34)n2)C1)Nc1ccc(S(=O)O)cc1
assistant