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 1-[2-[(2,5-dimethylphenyl)methyl]pyrrolidin-1-yl]-3-(3-methyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)propan-1-one into molecular formula.
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C20H25N5OS
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