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 2-ethenyl-5-[3-[4-[4-(5-ethenyl-1-phenylpyrrol-2-yl)butyl]-2,5-dimethylphenoxy]propyl]-1-phenylpyrrole .
user
C39H42N2O
assistant