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 based on this description: It belongs to the cancer treatment class of molecules.
user
O=P(O)(O)C(Cc1ccccc1)OCC1OC(n2ncc3c(NCC4CC4)nc(Cl)nc32)C(O)C1O
assistant