[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N+1][=Branch2][Ring1][C][=C][Branch1][C][N][N][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][C]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid cation that is the conjugate acid of N(omega),N(omega)-dimethyl-L-arginine, arising from deprotonation of the carboxy group and protonation of the primary amino and imino groups; major species at pH 7.3. It is a conjugate acid of a N(omega),N(omega)-dimethyl-L-arginine."}]