Using O=C1NC(=O)c2ccccc21, CC(C)(C)OC(=O)N[C@H](CO)Cc1ccccc1C(F)(F)F to produce CC(C)(C)OC(=O)N[C@@H](Cc1ccccc1C(F)(F)F)CN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.