You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[2-[[N-[3-(benzenesulfonyl)propyl]-N'-methylcarbamimidoyl]amino]ethyl]-N,N-dimethylbenzamide into molecular formula.
user
C22H30N4O3S
assistant