You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Generate a molecule that fulfills the requirement: The molecule is anti angiogenic.
user
CC(=O)OC(=C1CC2(C)C3CC=C4CC(OC(C)=O)CCC4(C)C3CCC2(C)C1=O)C(F)(F)F
assistant