[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C][/C][=C][/C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is the (E)-stereoisomer of hexenoic acid. It has a role as a metabolite. It is a conjugate acid of a (2E)-hexenoate."}]