You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (7R,9R,10R)-7-[(2R,4R,5S,6R)-4-(dimethylamino)-5-hydroxy-6-methyloxan-2-yl]oxy-9-ethyl-1,4,6,9,10,11-hexahydroxy-8,10-dihydro-7H-tetracene-5,12-dione into its molecular formula.
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C28H33NO11
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