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 ethyl 4-[(Z)-2-cyano-3-(naphthalen-1-ylamino)-3-oxoprop-1-enyl]-1-phenylpyrazole-3-carboxylate .
user
C26H20N4O3
assistant