You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named methyl 4-[1-(4,6-dimethyl-1,3-benzothiazol-2-yl)-3-[(3-ethoxyphenyl)-hydroxymethylidene]-4,5-dioxopyrrolidin-2-yl]benzoate by IUPAC nomenclature, provide its molecular formula.
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C30H26N2O6S
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