[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule appears as white or reddish-yellow crystals or light brown powder. Turns violet when exposed to light. "}, {"from": "gpt", "value": "[C][=C][C][=Branch1][#Branch1][=C][C][=C][Ring1][=Branch1][N][O]"}]