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 (7S)-7-tert-butyl-3-ethyl-5,6,7,8-tetrahydro-[1]benzothiolo[2,3-d]triazin-4-one .
user
C15H21N3OS
assistant