[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. 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."}, {"from": "gpt", "value": "[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]"}]