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system
Name the molecular formula for the molecule established as (4aR,10bS)-5-(4-ethoxyphenyl)-N-(thiophen-2-ylmethyl)-1,2,3,4,4a,5,6,10b-octahydrobenzo[h][1,6]naphthyridine-9-carboxamide using the IUPAC nomenclature.
user
C26H29N3O2S
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