Using CCc1ccc(C(=O)C(C)Br)cc1, c1ccc(CC2CCNCC2)cc1 to produce CCc1ccc(C(=O)C(C)N2CCC(Cc3ccccc3)CC2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.