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system
Provide the molecular formula for the IUPAC named substance 19-[4-[(2R)-1-methylpyrrolidin-2-yl]butanoyl]-14-[(3R)-3-pyrazin-2-ylpyrrolidin-1-yl]-12-oxa-1-azapentacyclo[11.7.1.02,11.04,9.017,21]henicos-19-en-18-one .
user
C36H51N5O3
assistant