[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is a cyanide salt containing equal numbers of potassium cations and cyanide anions. It has a role as an EC 1.9.3.1 (cytochrome c oxidase) inhibitor, an EC 1.15.1.1 (superoxide dismutase) inhibitor and a neurotoxin. It is a cyanide salt, a one-carbon compound and a potassium salt."}, {"from": "gpt", "value": "[C-1][#N].[K+1]"}]