Using BrCc1ccccc1, Cc1ccc(NC(=O)NC2(CC(=O)O)C(=O)Nc3ccccc32)cc1 to produce Cc1ccc(NC(=O)NC2(CC(=O)O)C(=O)N(Cc3ccccc3)c3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.