[{"from": "human", "value": "Please give me some details about this molecule. [C][=C][Branch2][Ring2][=Branch1][C][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][O][C][=Branch1][C][=O][C][=C][Branch1][Branch1][C][Ring1][O][=O][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][Branch2][O][O][O][O]"}, {"from": "gpt", "value": "The molecule is a hexahydroxyanthraquinone that is anthracene-9,10-dione in which the six hydroxy substituents are located at positions 1, 2, 4, 5, 6 and 8. Used as as a hematoxylin substitute in H&E staining. It has a role as a histological dye."}]