Using O=C(O)CNC(=O)c1ccccc1, O=Cc1ccc(C(F)(F)F)cc1Oc1ccccc1 to produce O=C(O)C1=Cc2ccc(C(F)(F)F)cc2Oc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.