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system
Name the molecular formula for the molecule established as methyl (1R,9R,10S,11R,12R,19R)-11-acetyloxy-12-ethyl-8-formyl-4-[(13S,15S,17S)-7-hex-1-ynyl-17-hydroxy-13-methoxycarbonyl-17-methyl-1,11-diazatetracyclo[13.3.1.04,12.05,10]nonadeca-4(12),5(10),6,8-tetraen-13-yl]-10-hydroxy-5-methoxy-8,16-diazapentacyclo[10.6.1.01,9.02,7.016,19]nonadeca-2,4,6,13-tetraene-10-carboxylate using the IUPAC nomenclature.
user
C51H62N4O10
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