You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Give me a molecule that satisfies the conditions outlined in the description: It belongs to the anti tumor class of molecules.
user
O=C(O)c1c(-c2ccc([N+](=O)[O-])cc2)oc2nc[nH]c(=O)c12
assistant