You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a cdk inhibitor. Please write the SMILES representation of it.
user
C=CC(=O)N(C(=O)C1CCN1)c1cccc(CNc2nc(NC3CCOCC3)nc3c(C(C)C)cnn23)c1F
assistant