[{"from": "human", "value": "Describe this molecule. [C][Branch2][Ring1][C][C@H1][Branch1][=C][C@@H1][Branch1][#Branch2][C][=Branch1][C][=O][C][=Branch1][C][=O][O-1][O][O][O]"}, {"from": "gpt", "value": "The molecule is a ketoaldonate and a member of xylonates. It is functionally related to a D-xylonate. It is a conjugate base of a D-xylulosonic acid."}]