You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[[(3R,5R)-3,5-dimethylpiperidin-1-ium-1-yl]methyl]-1-ethyl-5-piperidin-1-ylsulfonylbenzimidazole into molecular formula.
user
C22H35N4O2S+
assistant