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system
Can you give the molecular formula of the molecule 3-[(19S)-19-ethyl-19-hydroxy-14,18-dioxo-17-oxa-3,13-diazapentacyclo[11.8.0.02,11.04,9.015,20]henicosa-1(21),2(11),3,5,7,9,15(20)-heptaen-6-yl]prop-2-enamide ?
user
C23H19N3O5
assistant