Using CC(C)(C)OC(=O)C[C@H](NS(=O)(=O)c1ccc([N+](=O)[O-])cc1OCc1ccccc1)C(N)=O to produce CC(C)(C)OC(=O)C[C@H](NS(=O)(=O)c1ccc(N)cc1OCc1ccccc1)C(N)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.