You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named methyl 2-[6-[(1R)-1-[[2-(3-bromophenyl)acetyl]amino]ethyl]-1-prop-2-enylpyrrolo[2,3-b]pyridin-2-yl]-7-methoxy-1-methylbenzimidazole-5-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C31H30BrN5O4
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