You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name N-[4-[4-(3,4-dimethylanilino)-2,5-dioxo-1-phenylpyrrol-3-yl]sulfanylphenyl]benzamide into its molecular formula.
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C31H25N3O3S
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