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What is the molecular formula of the compound with this IUPAC name 1-[2-[2-(dimethylamino)ethenyl]spiro[2H-indole-3,1'-cyclohexane]-1-yl]-5-[2'-[2-(2,2,6,6-tetramethylpiperidin-1-ium-1-ylidene)ethylidene]spiro[cyclohexane-1,3'-indole]-1'-yl]pentane-1,5-dione ?
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C46H63N4O2+
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