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.
user
CN1CCN(C(=O)c2ccc(C3=C4C(=O)c5c(NC(=O)NN6CCOCC6)cccc5C4N=N3)s2)CC1
assistant