[{"from": "human", "value": "Please give me some details about this molecule. [N][=Branch1][C][=O][O-1].[Na+1]"}, {"from": "gpt", "value": "The molecule is an inorganic sodium salt having nitrite as the counterion. Used as a food preservative and antidote to cyanide poisoning. It has a role as an antimicrobial food preservative, an antihypertensive agent, a food antioxidant, a poison and an antidote to cyanide poisoning. It is a nitrite salt and an inorganic sodium salt."}]