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 (2E,4E,6E,8E)-3-methyl-8-(1,1,3-trimethylbenzo[e]indol-2-ylidene)octa-2,4,6-trienal .
user
C24H25NO
assistant