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)-1-[(11Z,14Z)-icosa-11,14-dienoyl]oxy-3-octadecanoyloxypropan-2-yl] (Z)-tetracos-15-enoate .
user
C65H120O6
assistant