[{"from": "human", "value": "Describe this molecule. [C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][C][C@@][Branch1][#Branch1][C][C][=Branch1][C][=O][O][Branch1][=Branch1][C][=Branch1][C][=O][O][O]"}, {"from": "gpt", "value": "The molecule is a chiral tricarboxylic acid in which a central carbon carries hydroxy, carboxy, carboxymethyl and 3-carboxypropyl substituents with R-configuration at the chiral centre. It is a tricarboxylic acid and a tertiary alcohol. It is a conjugate acid of a (2R)-dihomocitrate(3-)."}]