Using CCCC[Sn](CCCC)(CCCC)c1cncs1, O=[N+]([O-])c1ccc(Oc2ccnc(Cl)c2)cn1 to produce O=[N+]([O-])c1ccc(Oc2ccnc(-c3cncs3)c2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.