You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(5-fluoro-2-methylphenyl)-N-[(1S,5S,6R,7S)-7-(methoxymethyl)-2-oxabicyclo[3.2.0]heptan-6-yl]acetamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H22FNO3
assistant