You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is both a nutrient and a environmental contaminant.
user
CC1=CCC2(CO)C(O)CC3(C)C(CCC4C5(C)CCC(O)C(C)(C)C5CCC43C)C2C1C
assistant