You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[2-[(5R,7R)-7-(4-chlorophenyl)-5-methyl-5,7-dihydro-4H-thieno[2,3-c]pyridin-6-yl]ethyl]-4-nitrobenzamide into its molecular formula.
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C23H22ClN3O3S
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