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-[2-[2-[1-[3-(1,3-dimethylimidazol-1-ium-2-yl)sulfanylpropyl]pyridin-1-ium-4-yl]ethenyl]anilino]ethanol into molecular formula.
user
C23H30N4OS+2
assistant