[{"from": "human", "value": "Provide a brief overview of this molecule. [C][Branch2][Ring1][#Branch2][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][C@H1][Branch1][Branch2][C][C][C][=Branch1][C][=O][O][C][=Branch1][C][=O][O][C][N][=C][Branch1][C][N][N]"}, {"from": "gpt", "value": "The molecule is an amino acid opine resulting from the formal reductive condensation of the amino group of L-arginine with the keto group of 2-oxopentanedioic acid. It is a member of guanidines, a tricarboxylic acid, a secondary amino compound, an amino acid opine, a L-arginine derivative and a D-glutamic acid derivative. It is a conjugate acid of a D-nopalinate(1-)."}]