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What is the molecular formula of the molecule 1-(5-chloropyridin-2-yl)-2-[(5R)-2,2-dimethyl-3-methylidene-1,1-dioxospiro[1,4-thiazinane-5,4'-2,3-dihydrochromene]-6'-yl]ethanone ?
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C22H23ClN2O4S
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