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 methyl N'-[2-[4-[[(2-ethyl-6-fluoroimidazo[1,2-a]pyridine-3-carbonyl)amino]methyl]-2-fluoroanilino]ethyl]carbamimidate .
user
C21H24F2N6O2
assistant