You are a chemist. Now you are given a description of a molecule. Please generate a molecule that meets the description.
system
Come up with a molecule based on the description: It belongs to the anti tumor class of molecules.
user
Cc1coc(NC(=O)C2CN(c3nc4c(cc3F)c(=O)c(C(=O)O)cn4-c3nccs3)C2)n1
assistant