[{"from": "human", "value": "Generate a molecule based on this description. The molecule appears as colorless monoclinic crystals if pure; technical grade brownish-yellow crystals or a sandy brown solid. Used in manufacture of dyes, photography, organic synthesis."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][N][N]"}]