Using NC(Cc1ccccc1C(F)(F)F)C(O)c1ccc(F)cc1, O=C(O)CCCc1ccccc1 to produce O=C(CCCc1ccccc1)NC(Cc1ccccc1C(F)(F)F)C(O)c1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.