You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: The molecule is a factor xa inhibitor and is anti coagulant.
user
CN1CCN=C1c1cccc(Oc2nc(Oc3cc(C#N)ccc3OCc3ccccc3)cc(-c3ccc(-c4ccccc4)cc3)n2)c1
assistant