[{"from": "human", "value": "Could you give me a brief overview of this molecule? [C][C][C@@H1][C][C][C@@][Branch1][#C][C][C@@H1][Branch1][#Branch2][C@@H1][Branch1][Branch1][C][O][Ring1][=Branch1][C][O][O][O][C][Ring1][=C]"}, {"from": "gpt", "value": "The molecule is a ketal."}]