You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a cdk inhibitor and is anti tumor.
user
CN1CCC2CC(=O)c3c(-c4ccc(N(C)C)cc4)nn(-c4ccc(I)cc4)c3C2C1
assistant