You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
7-methyl-N-[(8-methyl-8-azabicyclo[3.2.1]octan-3-yl)methyl]-[1,2,4]triazolo[1,5-a]pyridin-2-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H23N5
assistant