You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[(1R,3S,5S,8Z,11S)-3-methyl-12-methylidene-13-oxo-4,14-dioxatricyclo[9.3.0.03,5]tetradec-8-en-8-yl]methyl acetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H22O5
assistant