You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 2-[3-[3-[2-(2,3,4,5,6-pentadeuteriophenyl)phenyl]-2H-benzimidazol-3-ium-2-id-1-yl]phenoxy]-9-(6-phenylpyridin-2-yl)carbazole ?
user
C48H32N4O
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