You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[6-[2-[4-[(3R)-1-methylpyrrolidin-3-yl]oxyphenyl]-3H-benzimidazol-5-yl]-3H-indol-2-yl]phenol is the IUPAC name of a molecule. Please give its molecular formula.
user
C32H28N4O2
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