You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1S,4S,5R,9S,10R,13R,14S)-14-(hydroxymethyl)-9-methyltetracyclo[11.2.1.01,10.04,9]hexadecan-5-ol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H30O2
assistant