Using COc1ccc(S(=O)(=O)N2CCCC(NC(=O)[C@H](CC(C)C)NC(=O)OC(C)(C)C)C(O)C2)cc1 to produce COc1ccc(S(=O)(=O)N2CCCC(NC(=O)[C@@H](N)CC(C)C)C(O)C2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.