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 1-[[4-[2-[1-(5-bromo-2-nitropyridin-3-yl)oxyethyl]-4-fluorophenyl]-1,3-thiazol-5-yl]methyl]imidazole-4-carbonitrile .
user
C21H14BrFN6O3S
assistant