You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
5,7-di(propan-2-yl)-2-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentoxy]-1,3-diazatricyclo[3.3.1.13,7]decan-6-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H34N2O6
assistant