Using CC(C)(C)OC[C@H](N)C(=O)N1CCC[C@H]1C#N, CC(=O)OC(C)OC(=O)Oc1ccc([N+](=O)[O-])cc1 to produce CC(=O)OC(C)OC(=O)N[C@@H](COC(C)(C)C)C(=O)N1CCC[C@H]1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.