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 [(2S)-3-[(5Z,8Z,11Z)-icosa-5,8,11-trienoyl]oxy-2-[(Z)-octadec-9-enoyl]oxypropyl] tetracosanoate .
user
C65H118O6
assistant