[{"from": "human", "value": "Provide a brief overview of this molecule. [C@@H1][Branch2][Ring1][#Branch1][C@H1][Branch2][Ring1][C][C@H1][Branch1][#Branch2][O][C][=Branch1][C][=O][C@@H1][Ring1][#Branch1][O][C][=Branch1][C][=O][O][O][O]"}, {"from": "gpt", "value": "The molecule is an aldarolactone formed via intramolecular cyclocondensation of galactaric acid. It has a role as a bacterial xenobiotic metabolite. It is an aldarolactone and a carbohydrate acid. It is functionally related to a galactaric acid. It is a conjugate acid of a D-galactaro-1,5-lactone(1-)."}]