Using O=C(c1cc(Cl)cc(Cl)c1)C(F)(F)F, COC(=O)c1ccc(C(C)=O)c2ccccc12 to produce COC(=O)c1ccc(C(=O)C=C(c2cc(Cl)cc(Cl)c2)C(F)(F)F)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.