[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][C@@H1][Branch2][Ring1][#Branch2][/C][=C][/C][=C][Branch1][=Branch2][C][=Branch1][C][=O][C][C][Ring1][=Branch1][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 prostaglandin B1, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is an organic molecular entity, a prostaglandins B and a prostaglandin carboxylic acid anion. It is a conjugate base of a prostaglandin B1."}]