You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(11Z,14Z)-N-[(2S,3S,4R)-3,4-dihydroxy-1-[(2S,4S,5R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoctadecan-2-yl]icosa-11,14-dienamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C44H83NO9
assistant