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
Cc1ccc(S(=O)(=O)Oc2cccc3oc4ccccc4c(=O)c23)cc1
assistant