[{"from": "human", "value": "Describe this molecule. [C][C][O][C][=Branch1][C][=O][C@@H1][Branch1][#Branch2][C][C][C][N][=C][Branch1][C][N][N][N][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1]"}, {"from": "gpt", "value": "The molecule is a L-arginine derivative, a member of guanidines, a carboxylic ester and a monocarboxylic acid amide."}]