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 (4Z)-4-[[3-chloro-5-ethoxy-4-[(4-methylphenyl)methoxy]phenyl]methylidene]-2-(4-nitrophenyl)-1,3-oxazol-5-one .
user
C26H21ClN2O6
assistant