You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: The molecule is breast cancer treatment.
user
Oc1ccc(C(Br)Oc2ccc(COCc3ccc(OC(Br)c4ccc(O)cc4)cc3)cc2)cc1
assistant