[{"from": "human", "value": "Please give me some details about this molecule. [C][C][C][C][C][C@@H1][Branch2][Ring1][Branch2][C][/C][=C][\\C@H1][Branch1][#Branch1][C][=C][C][/-Ring1][Branch1][=O][C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of 13,14-dihydro-Delta(12)-prostaglandin J2, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 13,14-dihydro-Delta(12)-prostaglandin J2."}]