You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-(5-methyl-3,3a,4,6,7,7a-hexahydro-1H-pyrrolo[3,4-c]pyridin-2-yl)-1,3-dihydropyrazolo[3,4-b]pyrazin-3-ide;rubidium(1+) The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H17N6Rb
assistant