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 5-[(4-methylsulfanylphenyl)methyl]-1,2,3,3a,4,6,7,7a-octahydropyrrolo[3,2-c]pyridine is given. What is its corresponding molecular formula?
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C15H22N2S
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