Using COCOc1ccc(Cl)cc1C(C#N)c1ncc([N+](=O)[O-])cc1Cl to produce COCOc1ccc(Cl)cc1C(C#N)c1ncc(N)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.