Using CCOC(=O)C(=O)Nc1cc(C#N)c(C(C)=O)cc1[N+](=O)[O-] to produce CC(=O)c1cc2c(cc1C#N)[nH]c(=O)c(=O)n2O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.