Using [N-]=[N+]=[N-], CCCOc1ccccc1-c1nc(O)cc(C#N)n1 to produce CCCOc1ccccc1-c1nc(-c2nnn[nH]2)cc(=O)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.