[{"from": "human", "value": "Provide a description of this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O-1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a citrate(2-) that is the conjugate base of 3,4-dicarboxy-3-hydroxybutanoate. It is a conjugate base of a 3-carboxy-2-(carboxymethyl)-2-hydroxypropanoate and a 3,4-dicarboxy-3-hydroxybutanoate. It is a tautomer of a 3-carboxy-3-hydroxypentanedioate."}]