Using CC(C)(C)c1csc(-c2cc3cc(OCc4ccccc4CC#N)ccc3o2)n1, [N-]=[N+]=[N-] to produce CC(C)(C)c1csc(-c2cc3cc(OCc4ccccc4Cc4nnn[nH]4)ccc3o2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.