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 2-(3,5-dimethylpyrazol-1-yl)-3-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]-6-phenylpyrimidin-4-one into molecular formula.
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C27H28N6O2
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