You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-(2-azabicyclo[2.2.1]heptan-2-yl)-4-cyclopentyl-1H-1,2,4-triazole-5-thione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H20N4S
assistant