Using OCC1=NOC(c2cc(Cl)cc(Cl)c2)(C(F)(F)F)C1 to produce O=CC1=NOC(c2cc(Cl)cc(Cl)c2)(C(F)(F)F)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.