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 1-[3-[4-[4-[2-(4,6-diphenylpyrimidin-2-yl)propyl]phenyl]-6-phenylpyrimidin-2-yl]phenyl]ethanamine .
user
C43H37N5
assistant