[{"from": "human", "value": "Create a molecule with the structure as the one described. The molecule is a prostanoid."}, {"from": "gpt", "value": "[C][C][C][C][C][C@H1][/C][=C][/C@@H1][C@@H1][Branch1][=C][C][/C][=C][\\C][C][C][C][=Branch1][C][=O][O][Ring1][=C][C@H1][Branch1][=Branch1][C][C@H1][Ring1][=C][O][O]"}]