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What is the molecular formula of the molecule ethyl 2-[[5,11,17,23-tetratert-butyl-26,27-bis(2-ethoxy-2-oxoethoxy)-28-[2-oxo-2-[(1',3',3'-trimethyl-6-nitrospiro[chromene-2,2'-indole]-8-yl)methoxy]ethoxy]-25-pentacyclo[19.3.1.13,7.19,13.115,19]octacosa-1(24),3,5,7(28),9,11,13(27),15(26),16,18,21(25),22-dodecaenyl]oxy]acetate ?
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C78H94N2O15
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