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Can you give the molecular formula of the molecule 6-[8-[2-(tetrazol-1-yl)-6,7-dihydro-5H-cyclopenta[b]pyridine-5-carbonyl]-3,4,6,7,9,9a-hexahydro-1H-pyrazino[2,1-c][1,4]oxazin-3-yl]-3,4-dihydroisochromen-1-one ?
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C26H27N7O4
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