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system
Name the molecular formula for the molecule established as ethyl N-[(2R,3R,11R,19S)-12-methyl-22-methylidene-1,10,12-triazahexacyclo[15.4.1.03,19.04,9.011,19.013,18]docosa-4,6,8,13,15,17-hexaen-2-yl]carbamate using the IUPAC nomenclature.
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C24H26N4O2
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