You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(4-methylpiperazin-1-yl)-N-(5,6,7,8-tetrahydroimidazo[1,2-a]pyridin-6-yl)pyridine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
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