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 N-[(4-fluorophenyl)methyl]-N-(imidazo[1,2-a]pyrimidin-6-ylmethyl)-1-(oxolan-2-yl)methanamine .
user
C19H21FN4O
assistant