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 a metabotoxin, phototoxin, neurotoxin, human metabolite.
user
O=C(O)CCC1=C(CC(=O)O)c2cc3[nH]c(cc4nc(cc5[nH]c(cc1n2)c(CC(=O)O)c5CCC(=O)O)C(CC(=O)O)=C4CCC(=O)O)c(CC(=O)O)c3CCC(=O)O
assistant