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system
Name the molecular formula for the molecule established as (1R,8S)-N-[[2,6-difluoro-4-[(E)-N'-hydroxycarbamimidoyl]phenyl]methyl]-12-(2,4-difluorophenyl)-15-oxatetracyclo[6.6.1.02,7.09,14]pentadeca-2(7),3,5,9(14),10,12-hexaene-4-carboxamide using the IUPAC nomenclature.
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C29H19F4N3O3
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