You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 10,13,16,19-tetradodecoxypentacyclo[6.6.6.02,7.09,14.015,20]icosa-2(7),4,9,11,13,15,17,19-octaene-3,6-dione using the IUPAC nomenclature.
user
C68H108O6
assistant