[{"from": "human", "value": "Describe this molecule. [C][Branch1][O][C@@H1][Branch1][#Branch1][C@@H1][Branch1][Ring1][C][=O][O][O][C][=Branch1][C][=O][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a dioxo monocarboxylic acid that is the 4,5-dihydroxy-2,6-dioxo derivative of hexanoic acid having (4S,5S)-configuration. It is a dioxo monocarboxylic acid, a dihydroxy monocarboxylic acid and an aldehyde. It is functionally related to a hexanoic acid. It is a conjugate acid of a (4S,5S)-4,5-dihydroxy-2,6-dioxohexanoate."}]