You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tetrazolo[1,5-a]pyridin-7-yl-[(1S,5R)-1,3,3-trimethyl-6-azabicyclo[3.2.1]octan-6-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H21N5O
assistant