[{"from": "human", "value": "Provide a description of this molecule. [C][C][C][C][C][C][Branch2][Ring1][Ring2][C][Branch1][S][C][/C][=C][\\C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a DiHOME obtained by formal dihydroxylation of the 12,13-double bond of octadeca-9,12-dienoic acid (the 9Z-geoisomer). It is a conjugate acid of a 12,13-DiHOME(1-)."}]