You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Based on the given information, generate a molecule that meets the desired specifications: The molecule is anti cancer.
user
O=c1c2cc(O)ccc2c(=O)c2c1sc1c(=O)c3cc(O)ccc3c(=O)c12
assistant