[{"from": "human", "value": "Please give me some details about this molecule. [C][N][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=Branch1][Ring1][=NH1+1][C][C][=C][Ring1][Branch2][O][Ring1][=C]"}, {"from": "gpt", "value": "The molecule is an iminium ion obtained by protonation of the imino group of acridine red free base. It is a conjugate acid of an acridine red 3B free base."}]