[{"from": "human", "value": "Please give me some details about this molecule. [C][N][Branch1][C][C][C][=Branch1][C][=O][N][C][=C][C][=C][C][=Branch1][Ring2][=C][Ring1][=Branch1][C][Branch1][C][F][Branch1][C][F][F]"}, {"from": "gpt", "value": "The molecule is a soil applied herbicide used to control annual grasses and broad-leaved weeds. In the United States it was approved for use on cotton and sugarcane crops in 1974, but since 1986 is only approved for use on cotton. Its mode of action is selective and inhibits photosynthesis."}]