You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a fxa inhibitor and is anti coagulant.
user
Cl.O=C1CN(S(=O)(=O)c2ccc3cc(Cl)ccc3c2)CCN1NC1CCN(c2ccncc2)CC1
assistant