[{"from": "human", "value": "Provide a description of this molecule. [C][C@@H1][Branch1][N][C][C][=Branch1][C][=O][C][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of (5S)-5-amino-3-oxohexanoic acid. It is a tautomer of a (5S)-5-amino-3-oxohexanoic acid."}]