You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 4-[(3,4-dichlorophenyl)carbamothioylamino]-N-[4-[(3,4-dichlorophenyl)carbamothioylamino]phenyl]benzamide into molecular formula.
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C27H19Cl4N5OS2
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