You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is a factor xa inhibitor and belongs to the anti coagulant class of molecules. Please represent the molecule in SMILES.
user
CC1C(=O)NCC[N+]1(Cc1ccc2c(N)ncnc2c1)Cc1ccc2c(Cl)c[nH]c2c1
assistant