Using CCOC(=O)c1ccc(C(CCC(F)(F)F)Nc2cnc3ccccc3c2)cc1 to produce O=C(O)c1ccc(C(CCC(F)(F)F)Nc2cnc3ccccc3c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.