You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-[4-[2-[3-(2-methylbenzimidazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]ethyl]-4-phenylpiperidine-1-carbonyl]-1H-pyridin-2-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C34H39N5O2
assistant