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Can you give the molecular formula of the molecule hexasodium;8-[[2-[3-[[3-[6-[(4,6,8-trisulfonatonaphthalen-1-yl)carbamoyl]-1H-benzimidazol-2-yl]phenyl]carbamoylamino]phenyl]-3H-benzimidazole-5-carbonyl]amino]naphthalene-1,3,5-trisulfonate ?
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