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-[4-(2,3-dimethylphenyl)piperazin-1-yl]-2-[4-(1-phenylpyrazol-4-yl)-3,6-dihydro-2H-pyridin-1-yl]ethanone into molecular formula.
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C28H33N5O
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