Using CC(C)(C)OC(=O)N1C(C)(C#N)COC1(C)C, C[Si](C)(C)N=[N+]=[N-] to produce CC(C)(C)OC(=O)N1C(C)(C)OCC1(C)c1nn[nH]n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.