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-[hydroxy-[3,4,5-trihydroxy-2-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-[3,4,5-trihydroxy-6-(octadecanoyloxymethyl)oxan-2-yl]oxycyclohexyl]oxyphosphoryl]oxy-2-[(Z)-octadec-11-enoyl]oxypropyl] icosanoate into molecular formula.
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C77H143O24P
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