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
Cn1cc(Nc2ncc3c(n2)N(c2cccc(N)c2)C(=O)N(Cc2ccccc2)C3)cn1
assistant