Using CC(C)C[C@H](NC(=O)[C@@H]1Cc2ccc([N+](=O)[O-])cc2CN1C(=O)OC(C)(C)C)C(=O)OC1CCCC1 to produce CC(C)C[C@H](NC(=O)[C@@H]1Cc2ccc(N)cc2CN1C(=O)OC(C)(C)C)C(=O)OC1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.