You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl (3R)-3-[5-bromo-3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]pyridin-2-yl]-4-(3,5-difluorophenyl)butanoate is the IUPAC name of a molecule. Please give its molecular formula.
user
C29H29BrClF2N3O4S
assistant