Using C=CCC1(O)C(Cl)(Cl)CCCC1(Cl)Cl, FC1(Cl)CCC2OC2(Cl)C1 to produce C=CCC1C(Cl)(Cl)CCC2OC21Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.