[{"from": "human", "value": "Provide a description of this molecule. [C][C][O][P][=Branch1][C][=S][Branch1][Ring2][O][C][C][O][C][=N][N][Branch1][Branch2][C][=Branch1][Ring2][=N][Ring1][Branch1][Cl][C][Branch1][C][C][C]"}, {"from": "gpt", "value": "The molecule is an obsolete insecticide and nematicide once used mainly to control soil insects on turf and some crops. It functions as an acetylcholinesterase (AChE) inhibitor."}]