Using CN1C(=O)c2ccc(O)cc2C1(C)C, O=S(=O)(OS(=O)(=O)C(F)(F)F)C(F)(F)F to produce CN1C(=O)c2ccc(OS(=O)(=O)C(F)(F)F)cc2C1(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.