You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a cancer treatment.
user
O=P(O)(O)CS(=O)(=O)CCC1OC(n2ncc3c(NCC4CC4)nc(Cl)nc32)C(O)C1O
assistant