Using COc1c(C(C)(C)C)cc(C(=O)N2CS(=O)(=O)c3ccccc32)cc1S(C)(=O)=O to produce CC(C)(C)c1cc(C(=O)N2CS(=O)(=O)c3ccccc32)cc(S(C)(=O)=O)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.