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 N-[N'-[(2-chloro-4-fluorophenyl)methyl]-N-[5-(trifluoromethyl)-1H-pyrazol-3-yl]carbamimidoyl]-4-(difluoromethyl)benzamide into molecular formula.
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C20H14ClF6N5O
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