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 N-[[3-[[3-[1-(4-chlorophenyl)-2,2-dimethylpropylidene]-2-oxoindol-1-yl]methyl]phenyl]-hydroxymethyl]methanesulfonamide ?
user
C28H29ClN2O4S
assistant