You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[4-[[(3S)-1-butyl-3-(2-methylpropyl)-2,5-dioxo-1,4,9-triazaspiro[5.5]undecan-9-yl]methyl]-3,5-dimethylpyrazol-1-yl]-N-(3-morpholin-4-ylpropyl)benzenesulfonamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C35H55N7O5S
assistant