Using CCOC(=O)c1cnc(Nc2ccc(N3CCOCC3)cc2)cc1NCc1cc(F)cc(F)c1 to produce O=C(O)c1cnc(Nc2ccc(N3CCOCC3)cc2)cc1NCc1cc(F)cc(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.