You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(3-cyano-1,2,4-triazol-4-yl)-N-[3-(diethylsulfamoyl)-4-ethoxyphenyl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H22N6O4S
assistant