You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is a factor xa inhibitor and belongs to the anti coagulant class of molecules.
user
NC1CCN(Cc2ccc3c(c2)CNCC3)C1=O.O=C(O)C(F)(F)F
assistant