You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[(5-bromo-2,3-dihydro-1-benzofuran-7-yl)methyl]-3,4,4-trimethylpentanamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H24BrNO2
assistant