Task: Please answer the following question about the molecule with SMILES N#C[Hg-2](C#N)(C#N)C#N.[K+].[K+].
Question: Please describe this drug.
Completion: Mercuric potassium cyanide appears as a colorless crystalline solid. Denser than water. Toxic by inhalation and ingestion. Produces toxic oxides of nitrogen during combustion.
Task: Please answer the following question about the molecule with {SMILES__description} {SMILES#}.
{#Description|Question|Request!}: {quest#}
{#Result|Answer|Completion!}: {answ#}
N#C[Hg-2](C#N)(C#N)C#N.[K+].[K+]
C(#N)[Hg-2](C#N)(C#N)C#N.[K+].[K+]
dipotassium;tetracyanomercury(2-)
Please describe this drug.