You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[1-[3-methoxy-4-(3-methyl-7-oxo-1-phenyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]piperidin-4-yl]-N-methylformamide into its molecular formula.
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C26H28N6O3
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