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 N-(2-bromophenyl)-2-[(5Z)-5-[[1-[(2-chloro-4-fluorophenyl)methyl]indol-3-yl]methylidene]-2,4-dioxo-1,3-thiazolidin-3-yl]acetamide .
user
C27H18BrClFN3O3S
assistant