Using CC(C)(C)OC(=O)N1CCC(c2cc3cc(-c4ccc(S(C)(=O)=O)cc4)ncc3o2)CC1 to produce CC(C)(C)OC(=O)N1CCC(C2Cc3cc(-c4ccc(S(C)(=O)=O)cc4)ncc3O2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.