You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 1-[(1S,2S,3S)-2,3-dimethylcyclohexyl]-3-[(5-ethoxy-3-methyl-1-benzofuran-2-carbonyl)amino]thiourea into its molecular formula.
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C21H29N3O3S
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