You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [3-[[3-[[2-hexadecanoyloxy-3-[(Z)-octadec-9-enoyl]oxypropoxy]-hydroxyphosphoryl]oxy-2-hydroxypropoxy]-hydroxyphosphoryl]oxy-2-hydroxypropyl] (11Z,14Z,17Z)-icosa-11,14,17-trienoate into molecular formula.
user
C63H116O16P2
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