Using Brc1ccccn1, O=C(c1ccccc1)C1CCN(Cc2ccccc2)CC1 to produce OC(c1ccccc1)(c1ccccn1)C1CCN(Cc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.