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system
Provide the molecular formula for the IUPAC named substance [(2R)-1-(3,4-dimethylphenyl)-1-oxopropan-2-yl] 12-oxo-7,8,9,10-tetrahydro-6H-azepino[2,1-b]quinazoline-3-carboxylate .
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C25H26N2O4
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