You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance (1R,2S,6R,9R)-4,4,12,12-tetramethyl-3,5,8,11,13-pentaoxatricyclo[7.4.0.02,6]tridecan-7-ol .
user
C12H20O6
assistant