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