Using CCCC[Sn](Cl)(CCCC)CCCC, CCS(=O)(=O)c1ncn2ccsc12 to produce CCCC[Sn](CCCC)(CCCC)c1cn2cnc(S(=O)(=O)CC)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.