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What is the molecular formula of the molecule 1-(4-bromophenyl)-2-[(5S)-12-methyl-1-aza-4-azoniatetracyclo[7.6.1.05,16.010,15]hexadeca-9(16),10(15),11,13-tetraen-4-yl]ethanone ?
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C23H24BrN2O+
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