Using NS(F)(F)F, CC1CC(O)(c2ccc(F)cc2)CCN1C(=O)OC(C)(C)C to produce CC1CC(F)(c2ccc(F)cc2)CCN1C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.