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What is the molecular formula of the molecule [(6R)-6-hydroxy-6-[(9R,13R,14S,16R)-16-hydroxy-4,4,9,13,14-pentamethyl-3,11-dioxo-2-[(2S,4S,5S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-8,10,12,15,16,17-hexahydro-7H-cyclopenta[a]phenanthren-17-yl]-2-methyl-5-oxohept-3-en-2-yl] acetate ?
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C38H54O13
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