You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[(4-methoxyphenyl)methyl]-5-[2-(phenoxymethyl)azetidin-1-yl]sulfonylindole-2,3-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C26H24N2O6S
assistant