Using O=C1CCN(C(=O)C(F)(F)F)CC1OCC(F)F, NCc1ccccc1 to produce O=C(N1CC[C@H](NCc2ccccc2)[C@H](OCC(F)F)C1)C(F)(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.