Using O=C(O)COC1CCc2c(-c3ccc(C(F)(F)F)cc3)cncc21, CCN(C(C)C)C(C)C to produce CNC(=O)COC1CCc2c(-c3ccc(C(F)(F)F)cc3)cncc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.