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 fxr agonist.
user
CCc1nc2c(OC(F)(F)F)cc(C(=O)O)c(F)c2s1
assistant