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What is the molecular formula of the molecule 2-[2-[3-(4-methoxyphenyl)-5-naphthalen-2-yl-3,4-dihydropyrazol-2-yl]-2-oxoethyl]-5,6,7,7a-tetrahydropyrrolo[1,2-c]imidazole-1,3-dione ?
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C28H26N4O4
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