You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2,15-dimethyl-14-(2-methyl-1,3-dioxolan-2-yl)-16-oxo-5-tricyclo[8.7.0.011,15]heptadecanyl] acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C25H40O5
assistant