Using CC(=O)Nc1ccc(S(=O)(=O)N[C@@H](CC(=O)OC(C)(C)C)C(N)=O)c(OCc2ccccc2)c1 to produce CC(=O)Nc1ccc(S(=O)(=O)N[C@@H](CC(=O)OC(C)(C)C)C(N)=O)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.