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 based on this description: The molecule is a factor xa inhibitor and belongs to the anti coagulant agent class of molecules, with the characteristic of being anti coagulant.
user
CONC(=O)c1cncn1-c1ccc(NC(=O)c2cc(C(F)(F)F)nn2-c2cccc(CN)c2)cc1
assistant