You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-methyl-1-[4-[(9-methyl-3,9-diazabicyclo[4.2.1]nonan-3-yl)methyl]oxan-4-yl]methanamine ?
user
C16H31N3O
assistant