You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named N-[2-(4-bromophenyl)-2-oxoethyl]-N-[(15S,19R)-16,18-dioxo-17-azapentacyclo[6.6.5.02,7.09,14.015,19]nonadeca-2,4,6,9,11,13-hexaen-17-yl]-2-nitrobenzamide is given. What is its corresponding molecular formula?
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C33H22BrN3O6
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