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What is the molecular formula of the molecule identified by 13-bromo-5,14-dimethoxy-17-phenyl-2-thia-4,9-diazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(17),3(8),4,6,9,11,13,15-octaene ?
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C22H15BrN2O2S
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