You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (6Z,9Z,12Z,15Z,18Z,21Z)-N-[(4E,8E,12E)-1-[3,4-dihydroxy-6-(hydroxymethyl)-5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-3-hydroxyoctatriaconta-4,8,12-trien-2-yl]tetracosa-6,9,12,15,18,21-hexaenamide into its molecular formula.
user
C74H127NO13
assistant