Using CCCC[Sn](Cl)(CCCC)CCCC, COCOC1(c2nccs2)CCC1 to produce CCCC[Sn](CCCC)(CCCC)c1cnc(C2(OCOC)CCC2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.