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
NC(=O)c1ccc(-c2ccc3cnc(Nc4ccc(S(N)(=O)=O)cc4)nc3c2)cn1
assistant