You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 5-bromo-N-[(5,5-dimethylpiperidin-3-yl)methyl]-1H-pyrrolo[2,3-b]pyridine-3-carboxamide is given. What is its corresponding molecular formula?
user
C16H21BrN4O
assistant