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 tert-butyl 3-(6-methoxy-3-pyridin-3-ylphenoxazin-10-yl)-8-azabicyclo[3.2.1]octane-8-carboxylate ?
user
C30H33N3O4
assistant