You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[(4-cyano-1-thiophen-2-yl-5,6,7,8-tetrahydroisoquinolin-3-yl)sulfanyl]-N-(4-methoxyphenyl)acetamide into its molecular formula.
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C23H21N3O2S2
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