Using COc1ccc(S(=O)(=O)N(Cc2ccccc2)[C@@H](C(=O)NOCc2ccccc2)C(O)C(C)C)cc1 to produce COc1ccc(S(=O)(=O)N(Cc2ccccc2)[C@@H](C(=O)NO)C(O)C(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.