You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 7-[(1S,2R,3S,4R)-3-phenoxy-7-oxabicyclo[2.2.1]heptan-2-yl]hept-5-enoic acid into molecular formula.
user
C19H24O4
assistant