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What is the molecular formula of the compound with this IUPAC name 8-(6-cyclopropyl-1,2-dihydropyridin-3-yl)-2-ethoxy-6-(3-methylbenzimidazol-5-yl)-1,6-naphthyridin-6-ium-7-carbaldehyde ?
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C27H26N5O2+
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