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 bace inhibitor and is alzheimer's treatment. Please write the SMILES representation of it.
user
C=CCN1CC2CN=C(NC(=O)c3ccccc3)SC2(c2cc(Br)cs2)C1
assistant