[{"from": "human", "value": "Generate a molecule based on this description. The molecule is a residual herbicide for use in a wide range of crops to control annual and perennial grasses and some broad-leaved weeds. It is selective and systemically absorbed by roots and translocated into the plant."}, {"from": "gpt", "value": "[C][C][Branch1][C][C][Branch1][Ring1][C][#C][N][C][=Branch1][C][=O][C][=C][C][=Branch1][=Branch2][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][Cl][Cl]"}]