You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [(2S)-1-tridecanoyloxy-3-[(2R,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropan-2-yl] (5E,8E,11E)-icosa-5,8,11-trienoate by IUPAC nomenclature, provide its molecular formula.
user
C42H74O10
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