You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is estrogen receptor modulator.
user
COCCN1CCN(C2=NC(=O)C(=Cc3ccc4c(cnn4Cc4ccc(C(F)(F)F)cc4C(F)(F)F)c3)S2)CC1
assistant