You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (E)-N-(1,1-dioxothiolan-3-yl)-N,2-dimethyl-6-(4-nitrophenyl)-4-oxohex-5-enamide using the IUPAC nomenclature.
user
C18H22N2O6S
assistant