Using BrCC1CO1, Oc1ccc(Nc2nccc(Nc3ccccc3)n2)cc1 to produce c1ccc(Nc2ccnc(Nc3ccc(OCC4CO4)cc3)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.