Using C1CNC1, O=C1CCCCC1C(=O)c1ccc(C(F)(F)F)cc1 to produce OC(c1ccc(C(F)(F)F)cc1)C1CCCCC1N1CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.