You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (1S,2S,6S,7S,9R,12R)-4,4-dimethyl-12-phenylmethoxy-3,5,8-trioxatricyclo[7.3.0.02,6]dodecan-7-ol .
user
C18H24O5
assistant