[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch1][O][C][C@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][NH3+1][C][NH1+1][=C][Branch1][C][N][N]"}, {"from": "gpt", "value": "The molecule is an argininium(2+). It is a conjugate acid of a D-argininium(1+). It is an enantiomer of a L-argininium(2+)."}]