Using O=[N+]([O-])c1cc(-c2ccc3ncc(N4CCOCC4)nc3c2)ccc1NCc1ccccc1 to produce Nc1ccc(-c2ccc3ncc(N4CCOCC4)nc3c2)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.