You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(4R,5R,6R,11R,12R,16R,18S)-12-amino-8-[(1S)-1-ethoxy-2-hydroxy-2-methylpropyl]-11-hydroxy-4,6,17,17-tetramethyl-9-oxahexacyclo[11.9.0.01,21.04,12.05,10.016,21]docosan-18-yl] N-[2-(3-methoxyazetidin-1-yl)ethyl]carbamate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C38H65N3O7
assistant