Using CC(C)c1cccc(C(C)C)c1O, CS(=O)(=O)c1ccc(C(=O)O)cc1 to produce CC(C)c1cc(C(=O)c2ccc(S(C)(=O)=O)cc2)cc(C(C)C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.