You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-hydroxy-3-[4-[[2-(1H-indol-3-yl)ethyl-[3-(4-methylpiperazin-1-yl)propylsulfonyl]amino]methyl]phenyl]prop-2-enamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H37N5O4S
assistant