[{"from": "human", "value": "What can you tell me about this molecule? [C][Branch2][Ring1][Ring1][C][C@@H1][Branch1][#Branch2][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][O][C][=Branch1][C][=O][O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a tricarboxylic acid that is pimelic acid carrying an additional carboxy substituent at position 3 as well as a hydroxy substituent at position 2 (the 2R,3S-diastereomer). It is a tricarboxylic acid and a secondary alcohol. It is a conjugate acid of a (-)-threo-isodihomocitrate(3-)."}]