[{"from": "human", "value": "Design a molecule that meets the criteria outlined in the description. The molecule is an alpha-amino-acid cation that is the conjugate acid of 3-amino-L-alanine. It is a conjugate acid of a 3-amino-L-alanine and a 3-amino-L-alanine zwitterion. It is a tautomer of a 3-ammonio-L-alanine."}, {"from": "gpt", "value": "[C][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][NH3+1]"}]