You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(26Z,29Z,32Z,35Z)-N-[(E)-1,3-dihydroxyundec-4-en-2-yl]octatriaconta-26,29,32,35-tetraenamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C49H89NO3
assistant