You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name (3aR,5aR,9aS)-3a-(4-chlorophenyl)-3,4,5a,6,7,8,9,9a-octahydro-2H-pyrrolo[1,2-a]quinazoline-1,5-dione into its molecular formula.
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C17H19ClN2O2
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