Using COc1cc(C2C(=O)Nc3cc(Cl)ccc32)nc(OC)n1, Clc1cccc(CBr)c1 to produce COc1cc(C2(Cc3cccc(Cl)c3)C(=O)Nc3cc(Cl)ccc32)nc(OC)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.