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 3-amino-6-chloro-5-[(3S)-4-[1-[(4-cyanophenyl)methyl]piperidin-4-yl]-3-ethylpiperazin-1-yl]pyrazine-2-carboxamide .
user
C24H31ClN8O
assistant