You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name [3-octadecanoyloxy-2-[(10Z,13Z,16Z)-tetracosa-10,13,16-trienoyl]oxypropyl] (Z)-dotriacont-21-enoate into its molecular formula.
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C77H142O6
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