[{"from": "human", "value": "Describe this molecule. [O][S][=Branch1][C][=O][=Branch1][C][=O][F]"}, {"from": "gpt", "value": "The molecule appears as a fuming liquid. Boiling point 163 \u00b0C. Density 1.73 g / cm3. Corrosive to metals and to tissue. Both very short contact and the fumes can cause severe painful burns. Used as a catalyst in organic synthesis, in electroplating and as a fluorinating agent."}]