Using CC(C)(C)OC(=O)NCc1ccccc1C#N, [N-]=[N+]=[N-] to produce CC(C)(C)OC(=O)NCc1ccccc1-c1nnn[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.