You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(3aR,5Z,9aR)-2,2,5-trimethyl-1,3,3a,4,7,8,9,9a-octahydrocyclopenta[8]annulen-9-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C14H24O
assistant