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 benzyl (3aR,7aR)-2-(bromomethyl)-3,3a,4,5,7,7a-hexahydro-2H-furo[2,3-c]pyridine-6-carboxylate ?
user
C16H20BrNO3
assistant