[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][Branch1][Ring1][C][NH3+1][C][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is an amino acid zwitterion obtained by transder of a proton from the carboxy to the amino group of (S)-3-aminoisobutyric acid; major species at pH 7.3. It is a tautomer of a (S)-3-aminoisobutyric acid."}]