You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(9Z,12Z)-N-[(4E,8E,12E)-1,3-dihydroxytetratriaconta-4,8,12-trien-2-yl]hexadeca-9,12-dienamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C50H91NO3
assistant