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, with the characteristic of being anti coagulant agent. Please represent the molecule in SMILES.
user
COC(=O)CN(CCc1ccc(-c2ccccc2S(=O)(=O)NC(C)(C)C)cc1)c1cccc(C(=N)N)c1
assistant