You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (3R)-5-bromo-3-hydroxy-3-[2-(2-methoxyphenyl)-2-oxoethyl]-1-[(4-methylphenyl)methyl]indol-2-one into molecular formula.
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C25H22BrNO4
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