You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-[[3-[4-[6-(trifluoromethyl)-1H-benzimidazol-2-yl]phenyl]phenyl]methylamino]ethyl]pyrrolidin-3-amine is the IUPAC name of a molecule. Please give its molecular formula.
user
C27H28F3N5
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