You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: It belongs to the cancer treatment class of molecules.
user
COC1C(=O)C2(C)C(OC)CC3OCC3(OC(C)=O)C2C(OC(=O)c2ccccc2)C2(O)CC(CC(=O)C(O)C(NC(=O)OC(C)(C)C)c3ccccc3)C(C)=C1C2(C)C
assistant