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 oselective.
user
Cc1cc(C)cc(P(CC2OC(C)(C)OC2CP(c2cc(C)cc(C)c2)c2cc(C)cc(C)c2)c2cc(C)cc(C)c2)c1
assistant