You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named methyl (Z)-7-[(1S,4R,5S,6S)-4-(4-fluorophenyl)-6-formyl-2-oxabicyclo[2.2.1]heptan-5-yl]hept-5-enoate is given. What is its corresponding molecular formula?
user
C21H25FO4
assistant