You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance tert-butyl 4-[3-ethyl-5-[(1-pyrazin-2-yl-1,2,4-triazol-3-yl)amino]phenyl]piperazine-1-carboxylate .
user
C23H30N8O2
assistant