You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule [1-oxo-7-[5-(piperidin-1-ylmethyl)-1H-indol-2-yl]-2,3-dihydroisoindol-4-yl] 4-bromobenzenesulfonate ?
user
C28H26BrN3O4S
assistant