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Name the molecular formula for the molecule established as [(2S)-2-[(9E,12E,15Z)-octadeca-9,12,15-trienoyl]oxy-3-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-[[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxypropyl] (9Z,12E,15Z)-octadeca-9,12,15-trienoate using the IUPAC nomenclature.
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