You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[(1R)-1-[[5-(1-benzofuran-2-yl)-4-propan-2-yl-1,2,4-triazol-3-yl]sulfanyl]ethyl]-3H-quinazolin-4-one into its molecular formula.
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C23H21N5O2S
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