Using C[C@@H](O[C@H]1CC[C@@H]2CNC[C@H]2[C@@H]1c1ccc(F)cc1)c1cc(C(F)(F)F)cc(C(F)(F)F)c1, O=C1CCC(=O)C1 to produce C[C@@H](O[C@H]1CC[C@@H]2CN(C3=CC(=O)CC3)C[C@H]2[C@@H]1c1ccc(F)cc1)c1cc(C(F)(F)F)cc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.