You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a pesticide, anti tumor, bitter and belongs to the cytotoxic class of molecules.
user
O=C(O)C(O)(COP(=O)(O)O)C(O)C(O)CO
assistant