Using CCCC[Sn](Cl)(CCCC)CCCC, CSc1nc(C)n2ccsc12 to produce CCCC[Sn](CCCC)(CCCC)c1csc2c(SC)nc(C)n12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.