You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (Z)-N-[(E,2S,3R)-1-[(2R,4R,5S)-5-[(2S,4R,5R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,4S,5R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-hydroxyoctadec-4-en-2-yl]tetracos-15-enamide into molecular formula.
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C60H111NO18
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