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 (2'R,3R,3'S,5'S)-6-bromo-N-(4-cyano-2-methoxyphenyl)-5'-(2,2-dimethylpropyl)-3'-[2-fluoro-3-(iodomethyl)phenyl]-2-oxospiro[1H-indole-3,4'-pyrrolidine]-2'-carboxamide is given. What is its corresponding molecular formula?
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C32H31BrFIN4O3
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