You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N-[(2,4-dimethylphenyl)carbamoyl]-2-[[5-(2-methoxyanilino)-1,3,4-thiadiazol-2-yl]sulfanyl]propanamide into molecular formula.
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C21H23N5O3S2
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