Using CC(C)(C)OC(=O)Nc1cccc(CNC(=O)c2cccc([N+](=O)[O-])c2)c1 to produce Nc1cccc(CNC(=O)c2cccc([N+](=O)[O-])c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.