You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[5-amino-6-(1,2,4-triazol-1-yl)pyrazin-2-yl]-N-(3,3-dimethyl-2-oxobutyl)-4-methylbenzenesulfonamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H23N7O3S
assistant