Using COc1ccc(C2C(=O)Nc3ccc(Cl)cc32)cc1, BrCc1ccccc1 to produce COc1ccc(C2(Cc3ccccc3)C(=O)Nc3ccc(Cl)cc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.