You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a cdk inhibitor and a anti tumour, belonging to the cancer treatment class of molecules.
user
CC(C)C(=O)Cc1nc2nc(N)[nH]c(=O)c2[nH]1
assistant