[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][C][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N]"}, {"from": "gpt", "value": "The molecule is the D-enantiomer of 2-aminohexanoic acid. It is an enantiomer of a L-norleucine. It is a tautomer of a D-norleucine zwitterion."}]