You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[[4-(4-amino-1-butan-2-yl-7-oxo-6H-pyrazolo[3,4-d]pyridazin-3-yl)phenyl]methyl]-5-fluoro-2-methoxybenzamide into molecular formula.
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C24H25FN6O3
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