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 waste product and a drug metabolite.
user
O=C(O)CCC1=C(CC(=O)O)c2cc3[nH]c(cc4nc(cc5[nH]c(cc1n2)c(CCC(=O)O)c5CC(=O)O)C(CCC(=O)O)=C4CC(=O)O)c(CC(O)C(=O)O)c3CC(=O)O
assistant