Using c1ccc(C(c2ccccc2)N2CCNCC2)cc1, O=C1c2ccccc2C(=O)N1CCCBr to produce O=C1c2ccccc2C(=O)N1CCCN1CCN(C(c2ccccc2)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.