[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH2+1][C@H1][Branch1][C][C][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is conjugate base of (2S)-2-[(R)-1-carboxyethylamino]pentanoic acid. It is a conjugate base of a (2S)-2-[(R)-1-carboxyethylamino]pentanoic acid. It is a tautomer of a (2S)-2-[(R)-1-carboxyethylamino]pentanoate."}]