[{"from": "human", "value": "Describe this molecule. [C][=C][C][=C][C][=Branch2][Ring1][#Branch1][=C][Branch2][Ring1][C][C][=C][Ring1][=Branch1][O][C][Ring1][=Branch2][=C][C][=Branch1][Branch1][=C][Ring1][=N][Cl][Cl][Cl][Cl]"}, {"from": "gpt", "value": "The molecule is a polychlorinated dibenzofuran."}]