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 a anti tumor and belongs to the anti proliferative class of molecules.
user
CC(=O)OC1(C)CC(C)C23C=C(C)C(OC(=O)C(C)(C)C)C2(O)C(O)C(CO)=CC(C3=O)C1(C)C
assistant