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 (5Z)-5-[[5-[(4-bromo-3-nitropyrazol-1-yl)methyl]furan-2-yl]methylidene]-3-(1-phenylethyl)-2-sulfanylideneimidazolidin-4-one .
user
C20H16BrN5O4S
assistant