[{"from": "human", "value": "Describe this molecule. [C][Branch1][=Branch1][C][=Branch1][C][=O][O][C][Branch1][#Branch1][C][C][=Branch1][C][=O][O][Branch1][=Branch1][C][=Branch1][C][=O][O-1][O]"}, {"from": "gpt", "value": "The molecule is a citrate(1-) that is the conjugate acid of 2-(carboxymethyl)-2-hydroxysuccinate. It is a conjugate acid of a 2-(carboxymethyl)-2-hydroxysuccinate. It is a tautomer of a 3,4-dicarboxy-3-hydroxybutanoate."}]