[{"from": "human", "value": "Provide a brief overview of this molecule. [C][N][C].[C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Cl][Cl][O][C][C][=Branch1][C][=O][O]"}, {"from": "gpt", "value": "The molecule is a brown liquid. A solution of the dimethylammonium salt of the weak organic acid 2,4-dichlorophenoxyacetic acid. Used as an herbicide."}]