[{"from": "human", "value": "Generate a molecule based on this description. The molecule appears as a white crystalline solid. Produces toxic oxides of nitrogen if heated to decomposition. Used in pyrotechnics."}, {"from": "gpt", "value": "[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[N+1][=Branch1][C][=O][Branch1][C][O-1][O-1].[Mg+2]"}]