You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 5-[2-[4-[3-(4-pyridin-4-ylpiperazin-1-yl)quinoxalin-6-yl]phenyl]acetyl]pyrrolidin-2-one into its molecular formula.
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C29H28N6O2
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