You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[2-(2,3-dihydro-1,4-benzodioxin-6-ylsulfonyl)-2-azabicyclo[2.2.1]heptan-5-yl]thiophene-2-carboxamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H20N2O5S2
assistant