Using CCOC(=O)C(=O)Nc1ccc(C#N)c(C#N)c1[N+](=O)[O-] to produce N#Cc1ccc2[nH]c(=O)c(=O)n(O)c2c1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.