You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 7-(4-chlorobenzoyl)-3-[3-(hexa-2,4-dienoylamino)phenyl]-1-oxa-2,7-diazaspiro[4.4]non-2-ene-8-carboxamide ?
user
C26H25ClN4O4
assistant