You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I give you a description of a molecule, and you need to return one molecule in SMILES that meets the description. The description: It belongs to the anti tumor class of molecules.
user
CC1(C)CC(=O)c2cc(OS(=O)(=O)C(F)(F)F)ccc21
assistant