You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [3-[hydroxy-(2,3,4,5,6-pentahydroxycyclohexyl)oxyphosphoryl]oxy-2-[(9Z,12Z)-octadeca-9,12-dienoyl]oxypropyl] (Z)-octadec-9-enoate by IUPAC nomenclature, provide its molecular formula.
user
C45H81O13P
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