You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 1-[[4-[(S)-methylsulfinyl]phenyl]methyl]-3-[(4R)-4,5,6,7-tetrahydro-1-benzothiophen-4-yl]urea is given. What is its corresponding molecular formula?
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C17H20N2O2S2
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