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What is the molecular formula of the molecule N-[(5-chloro-2-methoxyphenyl)methyl]-N-methyl-2,2-dioxo-3,4-dihydro-[1,2,4]thiadiazino[3,4-b][1,3]benzothiazole-8-carboxamide ?
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C19H18ClN3O4S2
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