You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,10R,11R,14S,15S)-14-methyl-15-propanoylpentacyclo[13.2.2.01,14.02,11.05,10]nonadeca-5,16-dien-7-one The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H30O2
assistant