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system
Name the molecular formula for the molecule established as (7R)-7-hydroxy-N-[(1-methyl-4-phenylpiperidin-4-yl)methyl]-4-oxo-5,6,7,8-tetrahydropyrazolo[1,5-a][1,4]diazepine-2-carboxamide using the IUPAC nomenclature.
user
C21H27N5O3
assistant