[{"from": "human", "value": "Synthesize a molecule that matches the given characteristics. The molecule is the salt of hydroxylamine and nitric acid. It is being developed as a potential rocket propellant and is sometimes used in nuclear reprocessing as a plutonium reductant. Nitrite is a toxic compound known to cause methemoglobinemia. (L1137,  L1628)"}, {"from": "gpt", "value": "[NH3+1][O].[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1]"}]