You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R,3R,4S,5S,6R)-2-[(3S)-1,7-bis(4-hydroxyphenyl)heptan-3-yl]oxy-6-[[(2S,3R,4R)-3,4-dihydroxy-4-(hydroxymethyl)oxolan-2-yl]oxymethyl]oxane-3,4,5-triol into its molecular formula.
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C30H42O12
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