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 5-(4-acetylphenyl)-1-(5-bromo-2-methoxyphenyl)-3-(1H-indol-3-ylmethyl)-4,6-dioxo-1,2,3a,6a-tetrahydropyrrolo[3,4-c]pyrrole-3-carboxylic acid is given. What is its corresponding molecular formula?
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C31H26BrN3O6
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