Using NC(=O)OC(CCN1CCN(c2ccc(O)cc2)CC1)c1ccccc1, BrCc1ccccc1 to produce NC(=O)OC(CCN1CCN(c2ccc(OCc3ccccc3)cc2)CC1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.