You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: It belongs to the cancer treatment class of molecules.
user
Cc1cnc(NC(=O)Nc2cc(Br)c(C)cc2OCC2CNCCO2)cn1.Cc1cnc(NC(=O)Nc2cc(Cl)ccc2OCC2CNCCS2)cn1
assistant