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What is the molecular formula of the molecule 3-chloro-5-[4-fluoro-6-[2-[(2R,8S)-2-fluoro-1,2,3,5,6,7-hexahydropyrrolizin-8-yl]ethynyl]-8-piperazin-1-ylpyrimido[5,4-c]pyridazin-3-yl]-4-(trifluoromethyl)phenol ?
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C26H23ClF5N7O
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