Using Cc1c(C#N)c(=O)oc2ccc(Cl)cc12, [N-]=[N+]=[N-] to produce Cc1c(-c2nnn[nH]2)c(=O)oc2ccc(Cl)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.