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
O=P(O)(O)CP(=O)(O)OCC1OC(n2cnc3c(N4CCCCC4)nc(Cl)nc32)C(F)C1O
assistant