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system
What is the molecular formula of the compound with this IUPAC name 3,5-dichloro-N-[(1S)-1-[3-[5-[[dimethyl(oxo)-lambda6-sulfanylidene]amino]pyridin-2-yl]pyrazin-2-yl]ethyl]benzamide ?
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C20H19Cl2N5O2S
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