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What is the molecular formula of the molecule ethyl 12-acetyl-9-hydroxy-5,10,16,25-tetramethoxy-13-methyl-7,17-dioxo-23-thia-20-azaheptacyclo[13.12.0.02,11.03,8.04,26.018,27.019,24]heptacosa-1(27),2(11),3(8),4(26),5,9,12,15,18,24-decaene-21-carboxylate ?
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C35H31NO10S
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