[{"from": "human", "value": "Please give me some details about this molecule. [C][C@@H1][Branch2][=Branch1][Branch2][C@H1][Branch2][Ring2][=C][C@@H1][Branch2][Ring2][=Branch2][C@H1][Branch1][S][C@@H1][Ring1][=Branch1][N][C][=Branch1][C][=O][C@H1][Branch1][Ring2][C][C][NH3+1][O][O][C@@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][O][O][NH3+1][O][O][O][C@@H1][C@@H1][Branch1][P][C@H1][Branch1][=N][C@@H1][Branch1][=Branch2][C@H1][Branch1][Ring2][O][Ring1][=Branch1][C][NH3+1][O][O][O][NH3+1]"}, {"from": "gpt", "value": "The molecule is an organic cation obtained by protonation of the four free amino groups of amikacin; major species at pH 7.3. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of an amikacin."}]