You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (4aS,8aS)-2-acetyl-5,5,8a-trimethyl-7-methylsulfonyl-1,3,4,4a-tetrahydroisoquinolin-6-one;(4aS,8aS)-2-acetyl-7-bromo-5,5,8a-trimethyl-1,3,4,4a-tetrahydroisoquinolin-6-one ?
user
C29H43BrN2O6S
assistant