[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][Branch1][Branch2][/C][=C][/C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a hydroxy monounsaturated fatty acid anion arising from the deprotonation of the carboxy group of (2E)-4-hydroxynon-2-enoic acid. It is a conjugate base of a (2E)-4-hydroxynon-2-enoic acid."}]