You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name (E)-N-[[5-(5-acetylthiophen-2-yl)-7-chloro-2,3-dihydro-1-benzofuran-2-yl]methyl]-3-(1-ethylpyrazol-4-yl)prop-2-enamide into its molecular formula.
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C23H22ClN3O3S
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