[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule appears as a colorless liquid with a strong odor. Toxic by ingestion, inhalation and skin absorption. Very irritating to skin and eyes. Used to make other chemicals."}, {"from": "gpt", "value": "[C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][=Branch1][C][=O][Cl]"}]