[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C][C][Branch2][Ring1][Branch2][C][=C][C][C][C][C][Branch1][#C][C][Ring1][Branch1][C][C][=C][C][C][C][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a prostanoid."}]