You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (2E)-2-cyano-2-(6-methoxy-3-methyl-1,3-benzothiazol-2-ylidene)-N,N-dimethylacetamide by IUPAC nomenclature, provide its molecular formula.
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C14H15N3O2S
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