You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-[[(3R,3aR,6aR)-3,3a,4,5,6,6a-hexahydro-2H-furo[2,3-c]pyrrol-3-yl]methyl]pyridine-3-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C13H17N3O2
assistant