Using COc1ccc(-c2n[nH]c3ccc(C#N)cc23)cc1OC, CCCC[Sn](CCCC)(CCCC)N=[N+]=[N-] to produce COc1ccc(-c2n[nH]c3ccc(-c4nn[nH]n4)cc23)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.