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 [(1S,2S,4S,5R,6R,9S,13S,16S,18R)-6-(1-acetyloxy-4-methylpent-4-enyl)-16-[(2S,3R,4S,5R)-5-[(2S,3R,4S,5R,6R)-4-[(2S,3R,4S,5R,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-[(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R)-4-[(2S,3R,4S,5R,6R)-3,5-dihydroxy-6-(hydroxymethyl)-4-methoxyoxan-2-yl]oxy-3,5-dihydroxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-4-hydroxyoxan-2-yl]oxy-2,6,13,17,17-pentamethyl-8-oxo-7-oxapentacyclo[10.8.0.02,9.05,9.013,18]icos-11-en-4-yl] acetate .
user
C70H110O35
assistant