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 betasecretase inhibitor. Please represent the molecule in SMILES.
user
CCCN(CCC)C(=O)c1cccc(C(=O)NC(CP(=O)(O)CC(C)C(=O)NCCC(F)(F)C(F)F)c2ccccc2)c1
assistant