You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[3-[[3-[[3-[(4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoyl]oxy-2-[(9Z,12Z)-octadeca-9,12-dienoyl]oxypropoxy]-hydroxyphosphoryl]oxy-2-hydroxypropoxy]-hydroxyphosphoryl]oxy-2-hydroxypropyl] (19Z,22Z,25Z,28Z)-tetratriaconta-19,22,25,28-tetraenoate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C83H140O16P2
assistant