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system
What is the molecular formula of the molecule (2'R,5'S,6'S,14'S)-2'-(2-methoxyethynyl)spiro[1,3-dioxolane-2,11'-19-oxapentacyclo[12.3.2.01,5.06,15.09,14]nonadec-15-ene] ?
user
C23H30O4
assistant