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 4-[(2R,5S)-2,5-dimethyl-4-(2H-triazole-4-carbonyl)piperazin-1-yl]sulfonylbenzonitrile .
user
C16H18N6O3S
assistant