[{"from": "human", "value": "Provide a description of this molecule. [C][=C][C][=Branch1][N][=C][Branch1][Branch2][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][Cl][O]"}, {"from": "gpt", "value": "The molecule appears as brown crystals (from ligroin, benzene). Taste threshold concentration 0.00004 mg/L. Odor threshold concentration 0.03 mg/L. "}]