You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 7,7-dimethyl-N-[(3S)-1-pyrimidin-2-ylpiperidin-3-yl]-1,4-thiazepane-4-carboxamide ?
user
C17H27N5OS
assistant