You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[9-(acetyloxymethyl)-2,5,5-trimethyl-12-oxo-14-(2-oxopropylidene)-13-oxatetracyclo[9.2.1.01,7.04,6]tetradec-8-en-4-yl] 2,3-dimethylbutanoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C28H38O7
assistant