You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as 1-[(4S,5R)-1-(4-fluorophenyl)-2-phenyl-5-piperidin-1-yl-4,5-dihydroimidazol-4-yl]piperidine using the IUPAC nomenclature.
user
C25H31FN4
assistant