Using C=CC[Sn](CCCC)(CCCC)CCCC, CCOC(=O)C(=O)c1ccc(Cl)c(Cl)c1 to produce C=CCC(O)(C(=O)OCC)c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.