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 1-methylsulfonyl-N-[1-([1,2,4]triazolo[4,3-a]pyrazin-8-yl)pyrrolidin-3-yl]piperidine-4-carboxamide .
user
C16H23N7O3S
assistant