[{"from": "human", "value": "What can you tell me about this molecule? [C][C][N][Branch1][Ring1][C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][=C][C][=C][C][=Branch1][Branch2][=N+1][Branch1][Ring1][C][C][C][C][C][=C][Ring1][O][O][Ring1][P].[Cl][Fe-1][Branch1][C][Cl][Branch1][C][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is an iminium salt composed of 6-(diethylamino)-N,N-diethyl-3H-xanthen-3-iminium and tetrachloroferrate ions ia 1:1 ratio. Depending on the mode of manufacture, pyronin B also exists in the form of a chloride salt. It has a role as a histological dye. It is an iminium salt and an iron coordination entity. It contains a tetrachloroferrate(1-) and a pyronin B(1+)."}]