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What is the molecular formula of the compound with this IUPAC name 2-[3-[3-(3,5-ditert-butylphenyl)-2H-imidazol-2-id-1-yl]-5-phenylbenzene-2-id-1-yl]oxy-9-[4-(2-propan-2-ylphenyl)pyridin-2-yl]-1H-carbazol-1-ide;platinum ?
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C55H51N4OPt-3
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