You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a bace1 inhibitor. Please represent the molecule in SMILES.
user
CC(C)(C)S(=O)NC1(C(F)(F)COCC#N)CCCc2ccc([N+](=O)[O-])cc21
assistant