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 cysteine protease inhibitor. Please write the SMILES representation of it.
user
CC(C)CN(NC(=O)Nc1ccc(F)cc1)c1ccnc(C#N)n1
assistant