You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (2R)-2-[5-chloro-1-[(3R)-1,1-dioxothiolan-3-yl]-3-methylpyrazol-4-yl]-2,3-dihydro-1H-quinazolin-4-one into its molecular formula.
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C16H17ClN4O3S
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