You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[[4-[[4-(5,6,7,8-tetrahydroimidazo[1,5-a]pyridin-3-yl)phenyl]carbamoyl]phenyl]methyl]thiophene-2-carboxamide into its molecular formula.
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C26H24N4O2S
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