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 fxa inhibitor and belongs to the anti coagulant class of molecules.
user
Cc1ncc(C2CCN(C(=O)CCS(=O)(=O)c3ccc4cc(Cl)ccc4c3)CC2)n1C
assistant