[{"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][=N][C][C][=C][Ring1][Branch2][O][Ring1][=C].[Cl]"}, {"from": "gpt", "value": "The molecule is a hydrochloride obtained by combining the free base of acridine red 3B with one molar equivalent of hydrogen chloride. Used for staining RNA in conjunction with malachite green. It has a role as a histological dye. It contains an acridine red 3B(1+)."}]