Using CC(=O)N1c2ccc(Br)c(O)c2CC[C@@H]1C, CS(=O)(=O)OCC(Cl)Cl to produce CC(=O)N1c2ccc(Br)c(OCC(Cl)Cl)c2CC[C@@H]1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.