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: The molecule is a anti tumor.
user
COc1ccc2c(c(CCCCO)nc3c4cc5c(cc4ccc23)OCO5)c1OCc1ccccc1
assistant