You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 3-[(3aR,7aR)-7a-(methoxymethyl)-3,3a,4,5,6,7-hexahydro-1H-isoindol-2-yl]propan-1-amine into molecular formula.
user
C13H26N2O
assistant