You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-(3,4-dihydro-2H-1,5-benzodioxepin-7-yl)-2-[(2-fluorophenyl)sulfonyl-(furan-2-ylmethyl)amino]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H21FN2O6S
assistant