You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[(1S,6S,7R,8R)-1,7,8-trihydroxy-1,2,3,5,6,7,8,8a-octahydroindolizin-6-yl]pentanamide .
user
C13H24N2O4
assistant