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 ethyl 4-[[(1S,2S)-2-hydroxycyclopentyl]amino]-2-methylsulfanylpyrimidine-5-carboxylate is given. What is its corresponding molecular formula?
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C13H19N3O3S
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