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 N-[3-[3-chloro-5-[2-methoxy-4-(4-methyl-2,3-dihydropyrazin-1-yl)anilino]pyrazin-2-yl]phenyl]propanamide into molecular formula.
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C25H27ClN6O2
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