Using C=C(C)c1cc(C(=O)O)cc(-c2ccc(Cl)cn2)c1, CS(=O)(=O)O to produce CC(C)(O)c1cc(C(=O)O)cc(-c2ccc(Cl)cn2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.