Using CC(C)(C)OC(=O)Nc1ccc(Br)c2ccc(OS(C)(=O)=O)cc12 to produce CS(=O)(=O)Oc1ccc2c(Br)ccc(N)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.