You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 3-(2,3-dihydro-1H-inden-2-yl)-5-[3-[(4-methylpiperazin-1-yl)methyl]phenyl]-1H-imidazo[4,5-b]pyrazin-2-one into its molecular formula.
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C26H28N6O
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