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 [3-[(9Z,11Z,13Z)-hexadeca-9,11,13-trienoyl]oxy-2-octadecanoyloxypropyl] (14Z,16Z)-docosa-14,16-dienoate .
user
C59H104O6
assistant