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system
Provide the molecular formula for the IUPAC named substance (3,3-dimethylpiperazin-1-yl)-[6-(4-hydroxyphenyl)-3-[(E)-2-phenylethenyl]-3a,7a-dihydro-1H-pyrazolo[3,4-b]pyridin-4-yl]methanone .
user
C27H29N5O2
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