You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 8-(2-fluoro-3,5-dimethoxyphenyl)-N-[5-[(4-methylpiperazin-1-yl)methyl]pyridin-2-yl]quinoxaline-5-carboxamide into molecular formula.
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C28H29FN6O3
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