You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[4-(acetylsulfamoyl)phenyl]-4-[3-(4-ethoxyphenyl)-6-oxopyridazin-1-yl]butanamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H26N4O6S
assistant