You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (1S,8S,11R,13R,14R)-15-(4-azidobutyl)-2-ethyl-5-fluoro-8-hydroxy-1,5,7,9,11,13-hexamethyl-3,17-dioxa-15-azabicyclo[12.3.0]heptadecane-4,6,12,16-tetrone .
user
C26H41FN4O7
assistant