Using OC1c2cc(C(O)C(F)F)ccc2C=Cc2ncc(Cl)cc21 to produce O=c1c2cc(C(O)C(F)F)ccc2ccc2ncc(Cl)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.