[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule appears as a colorless odorless nonflammable liquid. Poisonous by inhalation. Emits toxic fumes of chlorine and fluorine when heated to decomposition."}, {"from": "gpt", "value": "[C][Branch1][Ring1][C][Cl][C][Branch1][C][F][Branch1][C][F][F]"}]