[{"from": "human", "value": "Describe this molecule. [C][Branch1][=C][C@@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is an oxo dicarboxylic acid that is derived from 4-deoxy-D-glucaric acid by oxidation of the hydroxy group at position 5 to give the corresponding ketone. It is a 2-hydroxydicarboxylic acid, an oxo dicarboxylic acid, a 2-hydroxy carboxylic acid and a 3-hydroxy carboxylic acid. It is functionally related to a D-glucaric acid. It is a conjugate acid of a 5-dehydro-4-deoxy-D-glucarate(1-)."}]