You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule N-[[(2S,6S)-3,4,5-trihydroxy-6-[[(1E,3R,8R,9R,10R,11S,14S)-9-hydroxy-14-(methoxymethyl)-3,10-dimethyl-6-propan-2-yl-8-tricyclo[9.3.0.03,7]tetradeca-1,6-dienyl]oxy]oxan-2-yl]methyl]oxirane-2-carboxamide ?
user
C30H47NO9
assistant