You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Conceptualize a molecule that meets the specified attribute(s): The molecule is estrogen receptor modulator.
user
COC(=O)C1CCN(C2=NC(=O)C(=Cc3ccc(OCc4ccc(C(F)(F)F)cc4C(F)(F)F)c(OC)c3)S2)CC1
assistant