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 estrogen receptor modulator.
user
CCOC(=O)C1CCCCN1C1=NC(=O)C(=Cc2ccc(OCc3ccc(C(F)(F)F)cc3C(F)(F)F)c(OC)c2)S1
assistant