You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 3-[(9S)-9-[5-bromo-2-[2-oxo-2-(4-sulfamoylanilino)ethoxy]phenyl]-6,13,15-trioxo-3,7-dithia-5,14-diazapentacyclo[9.5.1.02,10.04,8.012,16]heptadec-4(8)-en-14-yl]propanoic acid into molecular formula.
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C30H27BrN4O9S3
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