Using COC(=O)C1=Cc2cc(C#N)ccc2OCC1, C[Si](C)(C)N=[N+]=[N-] to produce COC(=O)C1=Cc2cc(-c3nnn[nH]3)ccc2OCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.