Using O=Cc1ccc2ncc(N3CCOCC3)nc2c1, CC(C)(C)C(=O)Nc1cc(F)c(F)cc1F to produce CC(C)(C)C(=O)Nc1cc(F)c(F)c(C(O)c2ccc3ncc(N4CCOCC4)nc3c2)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.