You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [19-(4-methoxy-3-methyl-4-oxobut-2-enyl)-8,21,21-trimethyl-5-(3-methylbut-2-enyl)-8-(4-methylpent-3-enyl)-14,18-dioxo-16-piperidin-1-yl-3,7,20-trioxahexacyclo[15.4.1.02,15.02,19.04,13.06,11]docosa-4,6(11),9,12-tetraen-12-yl] 4-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxybenzoate into its molecular formula.
user
C57H71NO15
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