You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 2-[[2-[[cyclopentylmethyl-(2,4-difluorophenyl)carbamoyl]amino]-1,3-thiazol-5-yl]sulfanyl]-2-methylpropanoic acid into its molecular formula.
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C20H23F2N3O3S2
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