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: It belongs to the alzheimer's treatment class of molecules. Please write the SMILES representation of it.
user
Cc1cc(Cc2nc3n(n2)Cc2c(C)ncn2-c2ccc(Br)cc2-3)on1
assistant