You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-(3-cyano-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)-2-[(Z)-1-(4-methoxyphenyl)ethylideneamino]oxyacetamide is given. What is its corresponding molecular formula?
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C20H21N3O3S
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