[{"from": "human", "value": "Provide a brief overview of this molecule. [C][=C][Branch1][=C][C][=C][Branch1][=Branch2][C][=Branch1][Branch1][=C][Ring1][=Branch1][O][Cl][Cl][Cl]"}, {"from": "gpt", "value": "Long colorless needles or white chalky solid. "}]