You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 5-[[[ethylamino-[2-[3-(trifluoromethyl)phenoxy]butylamino]methylidene]amino]methyl]furan-2-carboxamide using the IUPAC nomenclature.
user
C20H25F3N4O3
assistant