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system
Provide the molecular formula for the IUPAC named substance N-[2-[4-[4-[5-[2-(6-aminopyridin-3-yl)ethynyl]-6-ethylpyrimidin-4-yl]-2-chlorobenzoyl]piperazin-1-yl]ethyl]methanesulfonamide .
user
C27H30ClN7O3S
assistant