Using CCOC(=O)c1cnn(-c2ccc([N+](=O)[O-])c(C)n2)c1C to produce CCOC(=O)c1cnn(-c2ccc(N)c(C)n2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.