You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-(5-acetylisoquinolin-8-yl)-3,3-dimethylbutan-1-one;5-bromoisoquinolin-8-amine;1-(5-bromoisoquinolin-8-yl)-3,3-dimethylbutan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C41H42Br2N4O3
assistant