You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance N-[2-[2-[[(5E,8E,11E,14E,17E)-icosa-5,8,11,14,17-pentaenoyl]amino]ethyldisulfanyl]ethyl]benzamide .
user
C31H44N2O2S2
assistant