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Can you give the molecular formula of the molecule N-[(3aS,4S,9S,10aS)-2,6-diamino-4-[(2,5-dioxopyrrolidin-1-yl)methyl]-10,10-dihydroxy-3a,4,8,9-tetrahydro-1H-pyrrolo[1,2-c]purin-9-yl]-9H-fluorene-1-carboxamide ?
user
C27H28N8O5
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