You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [3-[(4Z,7Z,10Z,13Z)-hexadeca-4,7,10,13-tetraenoyl]oxy-2-[(Z)-tetracos-13-enoyl]oxypropyl] (10Z,13Z,16Z,19Z,22Z,25Z,28Z,31Z)-tetratriaconta-10,13,16,19,22,25,28,31-octaenoate by IUPAC nomenclature, provide its molecular formula.
user
C77H124O6
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