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system
Provide the molecular formula for the IUPAC named substance 6-[(4-methylphenyl)methyl]-4-[4-(4-nitrophenyl)sulfonylpiperazin-1-yl]-3-pyridin-3-yl-[1,2]oxazolo[5,4-d]pyrimidine .
user
C28H25N7O5S
assistant