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: It belongs to the anti tumor class of molecules.
user
CCONC1CN(c2cc(C)c3c(=O)c(C(=O)O)cn(-c4ncns4)c3n2)C1
assistant