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 hiv protease inhibitor. Please represent the molecule in SMILES.
user
CSc1ncc2c(n1)N1CCCC1CN(c1cccn3c(=O)ccnc13)C2=O
assistant