You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[[3-(3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinoline-2-carbonyl)phenyl]methyl]-7-bromo-1,1-dioxo-4H-1lambda6,2,4-benzothiadiazin-3-one .
user
C24H26BrN3O4S
assistant