[{"from": "human", "value": "Generate a molecule based on the given description. The molecule appears as a colorless liquid with a penetrating and unpleasant odor. Flash point 170 \u00b0F. Corrosive to metals and tissue. Density 8.0 lb /gal."}, {"from": "gpt", "value": "[C][C][C][C][=Branch1][C][=O][O]"}]