You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5Z,8Z,11Z,14Z,17Z)-N-[(4E,8E,12E)-3-hydroxy-1-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyicosa-4,8,12-trien-2-yl]icosa-5,8,11,14,17-pentaenamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C46H75NO8
assistant