You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(1R,2R,3S,6S,7R,9S,10R,11S,13R,14S)-3,7,10-trimethyl-11-propan-2-yl-15-oxapentacyclo[7.5.1.02,6.07,13.010,14]pentadecane-6,9,11,13,14-pentol The above is the IUPAC name of a molecule. Write its molecular formula.
user
C20H32O6
assistant