Using CC(C)(C)OC(=O)C(C(=O)OC(C)(C)C)c1ccc([N+](=O)[O-])c(CC#N)n1 to produce Cc1ccc([N+](=O)[O-])c(CC#N)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.