[{"from": "human", "value": "Could you provide a description of this molecule? [C-1][#N].[C-1][#N].[C-1][#N].[C-1][#N].[C-1][#N].[C-1][#N].[K+1].[K+1].[K+1].[Fe+3]"}, {"from": "gpt", "value": "The molecule is a coordination compound of potassium, iron, and cyanide. It is used to produce the pigment Prussian blue, in blueprint drawing, in photography, to temper iron and steel, in electroplating, for dyeing wool, and as a common laboratory reagent. (L103)"}]