You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl (1R,5S,6S,7R)-4-oxo-3-(3-propan-2-yloxypropyl)-10-oxa-3-azatricyclo[5.2.1.01,5]dec-8-ene-6-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H25NO5
assistant