You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R,3S,4R,5S,6R)-2-[[(3R,5S,6R,8R,9S,10R,12S,13S,14S,17R)-3,12-dihydroxy-4,4,8,10,14-pentamethyl-17-[(2R)-6-methyl-2-[(2R,3S,4R,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhept-5-en-2-yl]-2,3,5,6,7,9,11,12,13,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-6-yl]oxy]-6-(hydroxymethyl)oxane-3,4,5-triol into molecular formula.
user
C42H72O14
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