You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
The molecule is a cancer treatment. Use the above information to create a molecule.
user
C=CC1(OC(C)=O)C(COC(Cc2ccccc2)(C(=O)OCC)C(=O)OCC)OC(OC(C)=O)C1OC(C)=O
assistant