You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2S)-2-[(E)-octadec-9-enoyl]oxy-3-[(2R,5R,6R)-3,4,5-trihydroxy-6-[[(2R,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxypropyl] (E)-octadec-9-enoate into molecular formula.
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C51H92O15
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