You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzyl N-[(4aR,6S,7R,8R,8aS)-6,8-dimethoxy-2,2-dimethyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H27NO7
assistant