You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule methyl (2Z)-5-benzoyl-2-(dimethylaminomethylidene)-3-oxopyrrolo[2,1-b][1,3]thiazole-7-carboxylate into molecular formula.
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C18H16N2O4S
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