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-(2,6-difluoro-4-methoxyphenyl)butyl]-N-[1-(1-hydroxy-3-methoxypropan-2-yl)-4-methyl-2-oxopyridin-3-yl]formamide .
user
C22H28F2N2O5
assistant