You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl 2-cyano-2-[2-[(3-cyano-5,6,7,8-tetrahydroquinolin-2-yl)sulfanyl]-3,4-dihydro-2H-naphthalen-1-ylidene]acetate by IUPAC nomenclature, provide its molecular formula.
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C25H23N3O2S
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