[{"from": "human", "value": "Could you provide a description of this molecule? [C][=C][C][=Branch1][C][=O][C@@H1][Branch1][S][C@H1][Ring1][=Branch1][/C][=C][/C@H1][Branch1][#Branch1][C][C][C][C][C][O][O][C][C][C][C][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a prostaglandin carboxylic acid anion that is the conjugate base of 20-hydroxyprostaglandin A1, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is functionally related to a prostaglandin A1(1-). It is a conjugate base of a 20-hydroxyprostaglandin A1."}]