You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to both the positive allosteric modulator and alzheimer's treatment classes of molecules.
user
O=C1c2cc(CN3CCCC(F)C3)c3ccccc3c2CN1C1CCCCC1O
assistant