You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule identified by (4E)-N-(2,4-difluorophenyl)-4-[(4-fluorobenzoyl)hydrazinylidene]-3-methyl-6,7-dihydro-5H-1-benzofuran-2-carboxamide ?
user
C23H18F3N3O3
assistant