[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule is a synthetic organophosphate acetylcholinesterase inhibitor that is used as a pesticide. It is characterized as a colorless to yellow oily liquid with a mercaptan-like odor, and exposure occurs by inhalation, ingestion, or contact."}, {"from": "gpt", "value": "[C][N][C][=Branch1][C][=O][C][S][P][=Branch1][C][=O][Branch1][Ring1][O][C][O][C]"}]