Using CCCCN1CCN(CC(=O)OC)C(=O)C1=O, BrCc1ccccc1 to produce CCCCN1CCN(C(Cc2ccccc2)C(=O)OC)C(=O)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.