You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Build a molecule that meets the requirement: The molecule is a factor xa inhibitor.
user
Cc1cc(C(=O)Nc2ccc(C3=NCCCN3C)cc2F)n(-c2cc3ccccc3cc2S(C)(=O)=O)n1
assistant