Using COc1cccc(NC(=O)c2sccc2S(=O)(=O)Nc2onc(C)c2Br)c1 to produce COc1cccc(NCc2sccc2S(=O)(=O)Nc2onc(C)c2Br)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.