[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a prostanoid."}, {"from": "gpt", "value": "[C][C][N][C][=Branch1][C][=O][C][C][C][/C][=C][\\C][C@H1][C@H1][Branch2][Ring1][#Branch2][C][C@H1][Branch2][Ring1][Ring2][C@@H1][Ring1][Branch1][/C][=C][/C][=Branch1][C][=O][C][C][C][=C][C][=C][C][=C][Ring1][=Branch1][O][O]"}]