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