Using CCOC(=O)c1c[nH]cc(-c2ccccc2)c1=O, O=S(=O)(OCC(F)(F)F)C(F)(F)F to produce CCOC(=O)c1cn(CC(F)(F)F)cc(-c2ccccc2)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.