You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(2-bromophenyl)-2-[[2-[[5-(2-fluoroanilino)-1,3,4-thiadiazol-2-yl]sulfanyl]acetyl]amino]acetamide .
user
C18H15BrFN5O2S2
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