You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5-bromo-N-[2-(3,4-dihydro-2H-1,5-benzodioxepin-7-ylamino)-2-oxoethyl]furan-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H15BrN2O5
assistant