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 [(3R,4R,4aR,5S,6R,6aS,6bR,9R,12aR,14bS)-3,5,6-triacetyloxy-10-[6-formyloxy-3,5-dihydroxy-4-(3,4,5-trihydroxyoxan-2-yl)oxyoxan-2-yl]oxy-4a,9-bis(hydroxymethyl)-2,2,6a,6b,9,12a-hexamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicen-4-yl] 2-methylbutanoate .
user
C52H80O21
assistant