Using O=[N+]([O-])[O-], COc1ccc2c(=O)c(C#N)c[nH]c2c1 to produce COc1cc2[nH]cc(C#N)c(=O)c2cc1[N+](=O)[O-], please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.