You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-[(4-methoxyphenyl)sulfamoyl]-4-methyl-N-[3-[(2-oxopyrrolidin-1-yl)methyl]phenyl]benzamide into its molecular formula.
user
C26H27N3O5S
assistant