You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 6-(2,5-dimethylfuran-3-yl)-2-(4-hydroxypiperidine-1-carbonyl)-7-methylimidazo[1,2-a]pyrazin-8-one into its molecular formula.
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C19H22N4O4
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