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 identified by [(2R,3R,4S,6R)-6-[[(6S,7S)-6-[(2S,4R,5R,6S)-4-[(2R,4S,5R,6R)-4-[(2R,4S,5R,6S)-5-acetyloxy-4-hydroxy-4,6-dimethyloxan-2-yl]oxy-5-hydroxy-6-methyloxan-2-yl]oxy-5-hydroxy-6-methyloxan-2-yl]oxy-7-[(1S,3S,4S)-3,4-dihydroxy-1-methoxy-2-oxopentyl]-4,10-dihydroxy-3-methyl-5-oxo-7,8-dihydro-6H-anthracen-2-yl]oxy]-4-[(2S,4S,5S,6S)-4-hydroxy-5-methoxy-6-methyloxan-2-yl]oxy-2-methyloxan-3-yl] acetate ?
user
C57H82O26
assistant