Using O=CCOCCCCOc1c(Cl)cc(OCC=C(Cl)Cl)cc1Cl, FC(F)(F)C(Cl)(Cl)Cl to produce OC(COCCCCOc1c(Cl)cc(OCC=C(Cl)Cl)cc1Cl)C(Cl)(Cl)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.