You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule (3S,6S,8aS)-6-(methoxycarbonylamino)-5-oxo-2,3,6,7,8,8a-hexahydro-1H-indolizine-3-carboxylic acid ?
user
C11H16N2O5
assistant