You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 3-[3-[5-(bromomethyl)-2-methoxyphenyl]-1,2-benzothiazol-5-yl]-1-methyl-6-(trifluoromethyl)pyrimidine-2,4-dione .
user
C21H15BrF3N3O3S
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