Using Cc1c(F)c(F)nc(F)c1F, Oc1cccc(C(F)(F)F)c1 to produce Cc1c(F)c(F)nc(Oc2cccc(C(F)(F)F)c2)c1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.