Using O=C1CCSc2cc(OCc3ccc(C(F)(F)F)cc3C(F)(F)F)ccc21 to produce OC1CCSc2cc(OCc3ccc(C(F)(F)F)cc3C(F)(F)F)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.