[{"from": "human", "value": "Describe this molecule. [C][C][C][C][C][C][C][C][C][C][C][C][C@@H1][Branch1][N][C][Branch1][Branch2][C][=Branch1][C][=O][O][Ring1][=Branch1][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a gamma-lactone."}]