Using COc1ccc(C2=NCC(=O)N(C)c3ccc(Cl)cc32)cc1, Clc1ccccc1CBr to produce COc1ccc(C2=NC(Cc3ccccc3Cl)C(=O)N(C)c3ccc(Cl)cc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.