You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(N-(4-ethoxyphenyl)sulfonylanilino)-N-[(2-hydroxy-5-nitro-1H-indol-3-yl)imino]acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C24H21N5O7S
assistant