You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [1-[hydroxy-[3-hydroxy-2-[(6Z,9Z,12Z,15Z)-octadeca-6,9,12,15-tetraenoyl]oxypropoxy]phosphoryl]oxy-3-[(9Z,12Z)-octadeca-9,12-dienoyl]oxypropan-2-yl] icosanoate into molecular formula.
user
C62H109O11P
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