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 (2S,3R,4S,5R)-5-[(2S,3R,4R,5R)-5-[(2S,3R,4S,5R)-5-[(2S,3R,4S,5R)-3,4-bis[[(2S,3R,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy]-5-hydroxyoxan-2-yl]oxy-3,4-bis[[(2S,3R,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]oxy]oxan-2-yl]oxy-3,4-dihydroxyoxan-2-yl]oxyoxane-2,3,4-triol .
user
C40H66O33
assistant