You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(2R)-1-[[(3R)-1,1-dioxothiolan-3-yl]amino]-1-oxopropan-2-yl] 2-(6,7-dimethyl-1-benzofuran-3-yl)acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H23NO6S
assistant