You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: The molecule is a positive allosteric modulator and is alzheimer's treatment. Please write the SMILES representation of it.
user
CN(C)C(=O)Oc1cccc(N2Cc3c(cc(CN4CCC(F)(F)CC4)c4cccnc34)C2=O)c1
assistant