You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the molecule potassium;2-chloro-N-[5-[2-chloro-5-(oxomethyl)phenyl]-3-(oxan-4-yloxy)pyridin-2-yl]-6-fluoro-N-methylbenzamide ?
user
C25H20Cl2FKN2O4
assistant