Using CC(C)(C)OC(=O)N[C@H](CCCc1ccc(OC(C)(C)C)cc1)C(N)=O to produce NC(=O)[C@H](N)CCCc1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.