You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (1R,2S,7S,8R,9R,11R)-7-[(2-methylpropan-2-yl)oxy]-3,12,14-trioxa-4-azatetracyclo[9.2.1.02,9.04,8]tetradecan-10-one using the IUPAC nomenclature.
user
C14H21NO5
assistant