You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-butoxy-N-[2-(4-nitrophenyl)-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]benzamide into its molecular formula.
user
C22H22N4O6S
assistant