[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. The molecule is a prostanoid."}, {"from": "gpt", "value": "[C][C][/C][=C][\\C][/C][=C][\\C][/C][=C][\\C][C][C][Branch1][#Branch2][C][Branch1][=Branch1][C][C][Ring1][Branch1][=O][O][/C][=C][/C][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][O]"}]