You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (16Z,19Z,22Z,25Z,28Z,31Z,34Z,37Z)-N-[(4E,8E)-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-hydroxyoctacosa-4,8-dien-2-yl]tetraconta-16,19,22,25,28,31,34,37-octaenamide .
user
C86H147NO18
assistant