You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule N-(2-amino-2-methylpropyl)-8-[(2,6-difluorophenyl)methoxy]-2-methylimidazo[1,2-a]pyridine-3-carboxamide .
user
C20H22F2N4O2
assistant