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-N-(4-methylphenyl)-1-N'-[4-(2-methylpyrido[2,3-b]pyrazin-8-yl)oxy-3-phosphanylphenyl]cyclopropane-1,1-dicarboxamide into molecular formula.
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C26H24N5O3P
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