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 cancer treatment class of molecules.
user
C=CC(=O)N1CC(N2CCC(c3cc4c(cn3)OC(C)c3c(ncnc3N3CCOCC3)N4)CC2)C1
assistant