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 (Z)-2-N-butyl-2-N-[(2E,3Z)-2-ethylidenehexa-3,5-dienyl]but-1-ene-1,2-diamine;ethane;ethylbenzene;2-ethylpyridine .
user
C33H53N3
assistant