You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-bromo-3-[[4-[5-[(2-bromophenyl)methylsulfanyl]-1,3,4-oxadiazol-2-yl]-2-methoxyphenoxy]methyl]-N,N-dimethylaniline is the IUPAC name of a molecule. Please give its molecular formula.
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C25H23Br2N3O3S
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