You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(1S,2R)-2-(cyanomethylcarbamoyl)cyclohexyl]-4-(pyridin-4-ylmethylsulfamoyl)benzamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C22H25N5O4S
assistant