Using O=C(O)CC(=O)N1CCN(C(=O)c2ccccc2C(F)(F)F)CC1, CNC(=O)c1ccc(N)cc1 to produce CNC(=O)c1ccc(NC(=O)CC(=O)N2CCN(C(=O)c3ccccc3C(F)(F)F)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.