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 N-(1,3-benzodioxol-5-ylmethyl)-2-[2,5-dimethyl-3-(2-methyl-1,3-thiazol-4-yl)pyrrol-1-yl]-N-methylacetamide into molecular formula.
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C21H23N3O3S
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