You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Suppose there is a molecule that meets the following description: It belongs to the anti tumor class of molecules. Please write the SMILES representation of it.
user
CCC1OC(OC2OC(COCc3ccccc3)C(OCc3ccccc3)C(OCc3ccccc3)C2C)C(OCc2ccccc2)C(OCc2ccccc2)C1OCC(O)C(C)(C)O
assistant