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