You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-benzyl-2-[4-(2-fluorophenyl)-3,5-bis(trifluoromethyl)piperazin-1-yl]-2-phenylethanamine is given. What is its corresponding molecular formula?
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C27H26F7N3
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