Using CCOC(=O)c1cnc(S(=O)(=O)N2CCC(Sc3cc(C(C)(C)C)c(O)c(C(C)(C)C)c3)CC2)[nH]1 to produce CC(C)(C)c1cc(SC2CCN(S(=O)(=O)c3ncc(CO)[nH]3)CC2)cc(C(C)(C)C)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.