Using CN(C)C=O, CC(C)(C)OC(=O)Nc1ccccc1C(F)(F)F to produce CC(C)(C)OC(=O)Nc1c(C=O)cccc1C(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.