[{"from": "human", "value": "Describe this molecule. [N+1][=Branch1][C][=O][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][O-1]"}, {"from": "gpt", "value": "The molecule is a chemical compound that is a powerful oxidizer, highly toxic, and corrosive. It is used mainly as a rocket propellant. Nitrite is a toxic compound known to cause methemoglobinemia. (L1137,  L1625)"}]