Using C[Sn](C)(C)Cl, c1cc2cc3cc4sccc4cc3cc2s1 to produce C[Sn](C)(C)c1cc2cc3cc4sc([Sn](C)(C)C)cc4cc3cc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.