Using O=C1CCC(c2cccc(F)c2F)CN1, O=S(=O)(OCC(F)(F)F)C(F)(F)F to produce O=C1CCC(c2cccc(F)c2F)CN1CC(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.