Using Cc1ccc(Oc2ccc(NC(=O)[C@@H]3C[C@@H](NC(=O)CNC(=O)OC(C)(C)C)CN3)cc2)cc1 to produce Cc1ccc(Oc2ccc(NC(=O)[C@@H]3C[C@@H](NC(=O)CN)CN3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.