You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as [2-[(8Z,11Z,14Z,17Z)-icosa-8,11,14,17-tetraenoyl]oxy-3-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyl]oxypropyl] (21Z,24Z)-dotriaconta-21,24-dienoate using the IUPAC nomenclature.
user
C73H122O6
assistant