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-aminoethyl]-1-pent-4-enylpyrrolo[2,3-b]pyridin-2-yl]-3-cyclopropyl-5-methoxyimidazo[1,2-a]pyridine-7-carboxylate by IUPAC nomenclature, provide its molecular formula.
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C27H31N5O3
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