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 [2-[(7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoyl]oxy-3-[[3-[[2-[(9Z,12Z)-hexadeca-9,12-dienoyl]oxy-3-[(9Z,12Z)-octadeca-9,12-dienoyl]oxypropoxy]-hydroxyphosphoryl]oxy-2-hydroxypropoxy]-hydroxyphosphoryl]oxypropyl] (7Z,10Z,13Z,16Z,19Z)-docosa-7,10,13,16,19-pentaenoate .
user
C87H142O17P2
assistant