Using CCN1CCN(c2nc(-c3ccc(O)cc3)cc3ccccc23)CC1, BrCC1OCCO1 to produce CCN1CCN(c2nc(-c3ccc(OCC4OCCO4)cc3)cc3ccccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.