You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 2-bromo-7-tert-butyl-5,7-dihydro-4H-thieno[2,3-c]pyridine-6-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H24BrNO2S
assistant