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: It belongs to the cancer treatment class of molecules.
user
CNCc1cnn(-c2ccc(NC(=O)c3cnn(-c4cccc5ncccc45)c3C(F)(F)F)cc2Cl)c1
assistant