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What is the molecular formula of the molecule identified by (E)-5-(12-chloro-4-methyl-2,3,7,13-tetrazatricyclo[7.4.0.02,6]trideca-1(13),3,5,7,9,11-hexaen-11-yl)hex-4-en-2-one ?
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C16H15ClN4O
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