[{"from": "human", "value": "Based on the given information, design a molecule that meets the desired specifications. The molecule appears as odorless yellow crystals. Insoluble in water. Used as an insecticide."}, {"from": "gpt", "value": "[C][C][Branch2][Branch1][Branch2][C][N][=C][Branch1][Branch1][N][C][Ring1][=Branch1][N][N][=C][Branch2][Ring1][Branch1][/C][=C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][Branch1][C][F][Branch1][C][F][F][/C][=C][/C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][C][Branch1][C][F][Branch1][C][F][F][C]"}]