Using OB(O)c1cccc(OC(F)(F)F)c1, COC(=O)c1cc(Cl)nc(Cl)n1 to produce COC(=O)c1cc(-c2cccc(OC(F)(F)F)c2)nc(Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.