You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule [3-[[3-[2,3-bis[[(3Z,6Z,9Z,12Z,15Z)-octadeca-3,6,9,12,15-pentaenoyl]oxy]propoxy-hydroxyphosphoryl]oxy-2-hydroxypropoxy]-hydroxyphosphoryl]oxy-2-[(9Z,12Z)-hexadeca-9,12-dienoyl]oxypropyl] (6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoate .
user
C79H122O17P2
assistant