You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (5Z,8Z,11Z,14Z,17Z,20Z,23Z)-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-hydroxynonadeca-4,8,12-trien-2-yl]hexacosa-5,8,11,14,17,20,23-heptaenamide into its molecular formula.
user
C57H91NO13
assistant