[{"from": "human", "value": "Describe this molecule. [C][=C][C][=Branch2][Ring1][=Branch1][=C][Branch1][=C][C][=N][C][=C][Branch1][#Branch1][C][=C][Ring1][=Branch1][Ring1][#Branch2][Cl][C][=Branch1][C][=O][O][Cl]"}, {"from": "gpt", "value": "The molecule is a selective herbicide used primarily to control weeds in rice crops, but is also used on other agricultural crops and is found in some household herbicides for lawn use."}]