You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(4S,4aR,6aR,6bS,8aR,11R,12S,12aR,14aS,14bR)-4,6a,6b,8a,11,12,14b-heptamethyl-1-oxo-2,3,4a,5,6,7,8,9,10,11,12,12a,14,14a-tetradecahydropicene-4-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C30H46O3
assistant