[{"from": "human", "value": "Provide a brief overview of this molecule. [C][C][Branch1][#Branch1][C][=Branch1][C][=O][O][C][O][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=C][Branch1][#Branch2][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][Cl][Cl]"}, {"from": "gpt", "value": "The molecule appears as colorless crystals. Decomposed by either strong acid or base. Used as a selective herbicide."}]