Using CCCC[Sn](Cl)(CCCC)CCCC, C[Si](C)(C)c1nccs1 to produce CCCC[Sn](CCCC)(CCCC)c1cnc([Si](C)(C)C)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.