Using O=Cc1ccc(CCBr)cc1, CC(=O)N(C(C)C)C1CCNCC1 to produce CC(=O)N(C(C)C)C1CCN(Cc2ccc(C=O)cc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.