[{"from": "human", "value": "Provide a description of this molecule. [C][C][Branch1][C][C][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 2-isopropylmalate(2-) with S-configuration at the chiral centre. It is a 2-isopropylmalate(2-) and a 2-hydroxydicarboxylate(2-). It is a conjugate base of a (2S)-2-isopropylmalic acid."}]