You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 8-chloro-2-[3-[4-[4-(trifluoromethyl)phenyl]-3,6-dihydro-2H-pyridin-1-yl]propyl]-3H-quinazolin-4-one into its molecular formula.
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C23H21ClF3N3O
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