Using O=C(O)c1ccc(I)cc1, FC(F)(F)C(F)(C(F)(F)F)C(F)(F)C(F)(F)I to produce O=C(O)c1ccc(C(F)(F)C(F)(F)C(F)(C(F)(F)F)C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.