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system
What is the molecular formula of the molecule (5S,7'S,11'R,14'Z)-18'-ethenyl-7'-ethyl-14'-hydroxyiminospiro[furan-5,6'-pentacyclo[8.8.0.02,7.03,5.011,16]octadec-15-ene]-2-one ?
user
C25H31NO3
assistant