You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(5R)-3-(3-amino-5-chlorophenyl)-5-[(4-bromophenyl)methyl]-5-methylimidazolidine-2,4-dione The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H15BrClN3O2
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