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Can you give the molecular formula of the molecule [(2R)-2-octadec-17-enoyloxy-3-[(2R,5R,6R)-3,4,5-trihydroxy-6-[[(2R,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxypropyl] (5E,8E,11E,14E)-icosa-5,8,11,14-tetraenoate ?
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C53H90O15
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