[{"from": "human", "value": "Create a molecule that satisfies the conditions outlined in the description. 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)"}, {"from": "gpt", "value": "[N+1][=Branch1][C][=O][Branch1][=Branch1][N+1][=Branch1][C][=O][O-1][O-1]"}]