Using NS(=O)(=O)c1cc(C(=O)Cl)ccc1Br, CCc1cc2ccccc2o1 to produce CCc1oc2ccccc2c1C(=O)c1ccc(Br)c(S(N)(=O)=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.