Using CCCc1c(COc2ccc(C#N)cc2)ccc(C(C)=O)c1O, [N-]=[N+]=[N-] to produce CCCc1c(COc2ccc(-c3nnn[nH]3)cc2)ccc(C(C)=O)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.