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 waste product.
user
O=S(=O)(O)Oc1ccc(C=Cc2cc(O)cc(OS(=O)(=O)O)c2)cc1
assistant