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What is the molecular formula of the molecule identified by 2-methyl-N-(4-methylphenyl)-1,3-dioxo-6-(2-phenylethenyl)-4-(piperazine-1-carbonyl)-3a,4,6,6a-tetrahydropyrrolo[3,4-c]pyrrole-5-carboxamide ?
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C28H31N5O4
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