Using CC(C)(C)OC(=O)N1CCN(c2ncnc3c2[C@H](CO)CC3)CC1, O=S(=O)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F to produce CC(C)(C)OC(=O)N1CCN(c2ncnc3c2[C@H](CF)CC3)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.