You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(2S)-1-[(5Z,8Z,11Z,14Z)-icosa-5,8,11,14-tetraenoyl]oxy-3-[(8Z,11Z,14Z)-icosa-8,11,14-trienoyl]oxypropan-2-yl] (Z)-tetracos-15-enoate into molecular formula.
user
C67H114O6
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