Using ClCOCCl, Oc1ccc(C(c2ccc(F)cc2)C(c2ccccc2)C(F)(F)F)cc1 to produce COCOc1ccc(C(c2ccc(F)cc2)C(c2ccccc2)C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.