You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: It belongs to the cancer treatment class of molecules.
user
COP(=O)(OC)C(OCC1OC(n2cnc3c(Cl)nc(Cl)nc32)C2OC(C)(C)OC12)C(=O)O
assistant