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system
Convert the IUPAC name of a molecule (16Z,19Z,22Z,25Z,28Z,31Z)-N-[1-[5-[3,4-dihydroxy-6-(hydroxymethyl)-5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3,4-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-hydroxyhexadecan-2-yl]tetratriaconta-16,19,22,25,28,31-hexaenamide into molecular formula.
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C68H119NO18
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