Using O=C(N1CCCCC1)C(F)(F)F, FC(F)(F)CCCCn1cc(I)cn1 to produce O=C(c1cnn(CCCCC(F)(F)F)c1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.