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system
Provide the molecular formula for the IUPAC named substance (E)-1-[(4S)-4-(ethoxymethyl)-2-ethyl-5,7-dihydro-4H-pyrazolo[3,4-c]pyridin-6-yl]-3-thiophen-2-ylprop-2-en-1-one .
user
C18H23N3O2S
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