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: The molecule is a opioid analgesic and is both anti tumor and belongs to the anti cancer and diuretic classes of molecules.
user
O=C(O)C1=CC(OP(=O)(O)O)C(O)C(O)C1
assistant