[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule appears as a grayish-yellow to grayish-red, crystalline solid. Toxic by ingestion, inhalation, and skin absorption. Combustion produces toxic oxides of nitrogen. Used to make other chemicals and in chemical and biological analysis."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][P][=C][C][=C][Ring1][=Branch1][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][N][N]"}]