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system
Provide the molecular formula for the IUPAC named substance (4R)-4-[2-[(4R)-6-[6-(4-methylpiperazin-1-yl)pyridin-3-yl]-2-oxo-1,3,4,5-tetrahydro-1,5-benzodiazepin-4-yl]ethyl]-6-[(E)-2-pyridin-4-ylethenyl]-1,3,4,5-tetrahydro-1,5-benzodiazepin-2-one .
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C37H40N8O2
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