[{"from": "human", "value": "What can you tell me about this molecule? [C][N+1][=Branch1][#Branch1][=C][Branch1][C][N][N][O][C][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1]"}, {"from": "gpt", "value": "The molecule is an L-arginine derivative in which the omega-nitrogen atom carries a hydroxy group and the delta-nitrogen atom carries a methyl group; major species at pH 7.3. It is functionally related to a L-argininium(1+)."}]