Using CC(C)(C)OC(=O)N[C@@H](CO)C(=O)N(N)C(=O)C(F)(F)F to produce CC(C)(C)OC(=O)N[C@H]1CN(C(=O)C(F)(F)F)NC1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.