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system
Please write the molecular formula of the molecule 2-[2,7-ditert-butyl-9-(6-phenylpyridin-2-yl)fluoren-9-yl]-6-phenylpyridine;2-(2,4-difluorobenzene-6-id-1-yl)-6-[9-[6-(2,4-difluorobenzene-6-id-1-yl)pyridin-2-yl]fluoren-9-yl]pyridine;3,4-dimethyl-2-phenylpyridine;2-fluoro-5-[6-[9-[6-(4-fluoro-3-isocyanobenzene-6-id-1-yl)pyridin-2-yl]fluoren-9-yl]pyridin-2-yl]benzene-4-ide-1-carbonitrile;iridium;2-methyl-6-phenylpyridine;2-phenyl-6-[9-(6-phenylpyridin-2-yl)fluoren-9-yl]pyridine;platinum(2+) .
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C175H118F6Ir2N12Pt4-2
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