You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is a serine protease inhibitor and belongs to the thrombosis treatment class of molecules.
user
N=C(N)C1(CCCCCn2cccn2)C=CC=C(C2CNc3ccccc3C2)C1=O
assistant