You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 2-[hydroxy-[(Z)-3-[(E)-tetracos-15-enoyl]oxy-2-[[(E)-triacont-21-enoyl]amino]hexadec-4-enoxy]phosphoryl]oxyethyl-trimethylazanium by IUPAC nomenclature, provide its molecular formula.
user
C75H146N2O7P+
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