Using COC(=O)c1ccc(S(C)(=O)=O)c(CBr)c1Cl, OC1CCCCC1 to produce CS(=O)(=O)c1ccc(C(=O)O)c(Cl)c1COC1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.