You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 1-[5-[1-(dimethylamino)ethyl]-1-methylpyrazol-3-yl]sulfanyl-3-(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)urea into its molecular formula.
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C21H29N5OS
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