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 1-[2-(2-chloro-4-methoxyphenyl)-8-methyl-6-pentan-3-ylimidazo[1,2-a]pyridin-3-yl]ethanone into molecular formula.
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C22H25ClN2O2
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