You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(11Z,14Z)-N-[(E)-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-hydroxypentatriacont-4-en-2-yl]henicosa-11,14-dienamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C74H137NO18
assistant