You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by cyclopropyl-[7-methoxy-1-[3-[(5R)-3-(2-phenylethyl)-8-azabicyclo[3.2.1]octan-8-yl]propyl]indol-3-yl]methanone ?
user
C31H38N2O2
assistant