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 (2R,3R)-2-ethyl-6-[fluoro-[2-(oxolan-2-yl)phenyl]methylidene]-3-methyl-4,5-bis(phenylmethoxy)oxane .
user
C33H37FO4
assistant