[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is a light brown colored crystalline solid. It may be toxic by ingestion. It is insoluble in water. It is used to make other chemicals."}, {"from": "gpt", "value": "[C][=C][C][=Branch1][#Branch2][=C][Branch1][=Branch1][C][=C][Ring1][=Branch1][Cl][N][O]"}]