Using CCOC(COc1cc(Cl)c(OCCCCOc2ccc(C(F)(F)F)cc2)c(Cl)c1)OCC to produce O=CCOc1cc(Cl)c(OCCCCOc2ccc(C(F)(F)F)cc2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.