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system
Translate the chemical IUPAC name tert-butyl N-[5-bromo-3-(2,6-dimethoxyphenyl)-2-(6-ethoxypyridin-2-yl)imidazo[4,5-b]pyrazin-6-yl]-N-[(2-methylpropan-2-yl)oxycarbonyl]carbamate into its molecular formula.
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C30H35BrN6O7
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