Using CCCC[Sn](Cl)(CCCC)CCCC, Cc1c2sccc2nn1C to produce CCCC[Sn](CCCC)(CCCC)c1cc2nn(C)c(C)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.