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 4-[4-ethyl-2-(4-methylpenta-1,3-dien-3-yl)cyclohex-2-en-5-yn-1-yl]cyclohexan-1-amine .
user
C20H29N
assistant