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system
Name the molecular formula for the molecule established as 3-[6-[[2-[4-[7-[4-[[(1R)-1-(3-bromophenyl)ethyl]amino]-6-methoxy-2-methylquinazolin-7-yl]oxyheptyl]piperazin-1-yl]-2-oxoethyl]amino]-1-methylindazol-3-yl]piperidine-2,6-dione using the IUPAC nomenclature.
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C44H54BrN9O5
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