You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Translate the chemical IUPAC name 3-[[4-chloro-1-(3-chloro-4-methylphenyl)-2,5-dioxopyrrol-3-yl]amino]-N-(2-phenylethyl)benzamide into its molecular formula.
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C26H21Cl2N3O3
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