Using O=[N+]([O-])c1c[nH]nc1-c1nc2cc(CN3CCOCC3)ccc2[nH]1 to produce Nc1c[nH]nc1-c1nc2cc(CN3CCOCC3)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.