Using CC(C)(C)OC(=O)N1CCN(c2ccc(CO)cc2)CC1, OCCF to produce CC(C)(C)OC(=O)N1CCN(c2ccc(COCCF)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.