Using Cc1cc2oc(C#N)cc(=O)c2c(C)c1Cl, [N-]=[N+]=[N-] to produce Cc1cc2oc(-c3nnn[nH]3)cc(=O)c2c(C)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.