[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is a prostanoid."}, {"from": "gpt", "value": "[C][C][C@@H1][C@H1][Branch2][Ring1][N][C][C@H1][Branch2][Ring1][=Branch1][C@@H1][Ring1][Branch1][/C][=C][/C@H1][Branch1][=N][C][C][C][C][C][C][C][C][=Branch1][C][=O][O][O][O][O]"}]