You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule N-[2-[[1-[(4-bromophenyl)methyl]-1,2,4-triazol-3-yl]carbamoyl]phenyl]thiophene-2-carboxamide ?
user
C21H16BrN5O2S
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