You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[4-amino-2-[(6-bromo-1,3-benzodioxol-5-yl)sulfanyl]imidazo[4,5-c]pyridin-1-yl]propan-1-ol is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H15BrN4O3S
assistant