Using [N-]=[N+]=[N-], CCc1cc2c(=O)oc(=O)n(Cc3ccc(-c4ccccc4C#N)cc3)c2s1 to produce CCc1cc2[nH]c(=O)n(Cc3ccc(-c4ccccc4C#N)cc3)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.