Using Nc1ccc(C(=O)c2ccccc2)cc1, O=C(O)C(O)(C(F)(F)F)C(F)(F)F to produce O=C(c1ccccc1)c1ccc(NC(=O)C(O)(C(F)(F)F)C(F)(F)F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.