[{"from": "human", "value": "What can you tell me about this molecule? [C][=C][C][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][N][N]"}, {"from": "gpt", "value": "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."}]