[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][Branch2][C][C][C][=Branch1][C][=O][O-1][C][C][NH3+1]"}, {"from": "gpt", "value": "The molecule is zwitterionic form of 6-aminohexanoic acid arising from migration of a proton from the carboxy group to the amino group; major species at pH 7.3. It is a conjugate acid of a 6-aminohexanoate. It is a tautomer of a 6-aminohexanoic acid."}]