You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
I need a molecule that meets the following conditions: The molecule is anti tumor. Please represent the molecule in SMILES.
user
C=CCOC1C(OC(C)=O)C(COC(C)=O)OC(OCc2ccccc2)C1OC(C)=O
assistant