You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Could you please return a molecule that adheres to this description? The molecule is a anti tumor and belongs to the anti viral class of molecules, with the characteristic of being anti cancer.
user
O=c1[nH]c(=O)n(C2OC(CO)C(O)C2Br)cc1I
assistant