Using N#Cc1c(Cl)ccc([N+](=O)[O-])c1N, CCOC(=O)C(C)C(C)=O to produce CCOC(=O)C(C)(C(C)=O)c1ccc([N+](=O)[O-])c(N)c1C#N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.