Using COc1ccc(S(=O)(=O)Nc2ccc(C)cc2C(O)c2ccccc2Cl)cc1OC, NC(=O)CBr to produce COc1ccc(S(=O)(=O)N(CC(N)=O)c2ccc(C)cc2Cc2ccccc2Cl)cc1OC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.