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system
For the molecule named 2-[1-[(E)-4-(dimethylamino)but-2-enoyl]-4-(2'-methoxy-6'-oxospiro[2,3-dihydro-1H-naphthalene-4,7'-5,8-dihydropyrido[3,2-d]pyrimidine]-4'-yl)piperazin-2-yl]acetonitrile by IUPAC nomenclature, provide its molecular formula.
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C29H35N7O3
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