You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 3-[4-(4-methylpiperazin-1-yl)anilino]-5-[methyl-[(3R)-1-prop-2-enoylpyrrolidin-3-yl]amino]pyrazine-2-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C24H32N8O2
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