[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a 5-methyl-L-arginine. It is a conjugate base of an amino{[(2S,5S)-5-amino-5-carboxypentan-2-yl]amino}methaniminium."}, {"from": "gpt", "value": "[C][C@@H1][Branch1][N][C][C][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O][N][N][=C][Branch1][C][N][N]"}]