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What is the molecular formula of the molecule identified by 11-(4-chlorophenyl)-14-[(4-hydroxy-3-iodo-5-methoxyphenyl)methylidene]-15-thia-12,17-diazatetracyclo[8.7.0.02,7.012,16]heptadeca-1(10),2,4,6,16-pentaen-13-one ?
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C28H20ClIN2O3S
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