You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule [(12Z,15Z)-26-(1,3-dihydroxytricosan-2-ylamino)-26-oxohexacosa-12,15-dienyl] (Z)-nonadec-9-enoate into molecular formula.
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C68H129NO5
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