Using O=[N+]([O-])c1ccc(N2CCN(c3cc(OCCOCc4ccccc4)ccn3)CC2)cc1 to produce O=[N+]([O-])c1ccc(N2CCN(c3cc(OCCO)ccn3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.