[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][C][=Branch1][O][=C][C][=C][Ring1][=Branch1][C][=Branch1][C][=NH2+1][N][O][C][C][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=Branch1][C][=NH2+1][N]"}, {"from": "gpt", "value": "The molecule is a guanidinium ion obtained by protonation of both guanidino groups of propamidine. It is a conjugate acid of a propamidine."}]