[{"from": "human", "value": "Describe this molecule. [C][Branch1][Branch2][C][NH1+1][=C][Branch1][C][N][N][C@@H1][Branch1][#Branch2][C@@H1][Branch1][=Branch1][C][=Branch1][C][=O][O-1][NH3+1][O]"}, {"from": "gpt", "value": "The molecule is an alpha-amino-acid cation obtained by deprotonation of the carboxy group and protonation of the amino and guanidino groups of (3S)-3-hydroxy-L-arginine It is a conjugate acid of a (3S)-3-hydroxy-L-arginine."}]