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 both a nutrient and a environmental contaminant.
user
CC(=O)OCC12C(OC(C)=O)C(OC(=O)c3ccccc3)C3C(OC(C)=O)C14OC3(C)COC(=O)c1cccnc1C(C)C(C)C(=O)OC(C(OC(C)=O)C2OC(C)=O)C4(C)O
assistant