Using COCc1cc(Cl)c(Oc2ccc(OC)cc2)c(Cl)c1, O=C(O)C(F)(F)F to produce COCc1cc(Cl)c(Oc2ccc(OC)c(C=O)c2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.