You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named (1R,2R)-2-(3,4-dichlorophenyl)-N-[5-[4-[(2,4-dichlorophenyl)carbamoylamino]piperidin-1-yl]pentyl]cyclopropane-1-carboxamide by IUPAC nomenclature, provide its molecular formula.
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C27H32Cl4N4O2
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