You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named 1-(1-benzylpiperidin-4-yl)-1-[[3-[4-[(2-methylpropylamino)methyl]phenyl]phenyl]methyl]-3-(2-phenylethyl)urea;2,2,2-trifluoroacetic acid by IUPAC nomenclature, provide its molecular formula.
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C41H49F3N4O3
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