You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule based on this description: The molecule is a alzheimer's treatment and is positive allosteric modulator.
user
CCOC(=O)c1nn(Cc2ccc(-c3ccc(C)nc3)nc2)c2c(Cl)cccc2c1=S
assistant