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Name the molecular formula for the molecule established as methyl (4R)-4-[(4-amino-3,5-diazatricyclo[9.4.0.02,7]pentadeca-1(15),2(7),3,5,11,13-hexaen-6-yl)amino]pyrrolidine-3-carboxylate using the IUPAC nomenclature.
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C19H23N5O2
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