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 2,2-dimethylpropanoyloxymethyl (1S,2R,4aS,6aS,6aS,6bS,8aR,10S,12aR,14bS)-6a,8a-diethyl-10-hydroxy-1,2,6a,6b,9,9,12a,14b-octamethyl-1,2,3,4,5,6,7,8,10,11,12,13-dodecahydropicene-4a-carboxylate;ethane .
user
C45H80O5
assistant