Using [N-]=[N+]=[N-], CCCCCCCCCCCCCCCCNc1ccc(C#N)cc1 to produce CCCCCCCCCCCCCCCCNc1ccc(-c2nnn[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.