[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][=Branch1][=C][=C][C][=Branch1][Branch1][=C][Ring1][#Branch1][O][N+1][=Branch1][C][=O][O-1][N+1][=Branch1][C][=O][O-1]"}, {"from": "gpt", "value": "The molecule is a naphthol in which the hydroxy substituent is at C-1 with nitro groups at C-2 and -4. It has a role as a histological dye. It is a C-nitro compound and a member of naphthols."}]