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system
Name the molecular formula for the molecule established as (6R)-6-(2-methoxyphenyl)-N-(4-methylphenyl)-7-oxo-8,9,10,11-tetrahydro-6H-benzo[b][1,4]benzodiazepine-5-carboxamide using the IUPAC nomenclature.
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C28H27N3O3
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