Using COC(=O)[C@H](CCC#N)NC(=O)OCc1ccccc1, [N-]=[N+]=[N-] to produce COC(=O)[C@H](CCc1nnn[nH]1)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.