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system
Name the molecular formula for the molecule established as (E)-3-[5-[(E)-3-[4-(4-benzylpiperazin-1-yl)phenyl]-3-oxoprop-1-enyl]pyridin-2-yl]-N-hydroxyprop-2-enamide using the IUPAC nomenclature.
user
C28H28N4O3
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