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 (4R)-5-[3-[[3-chloro-4-(4-fluorophenyl)pyridin-2-yl]oxymethyl]cyclobutyl]oxy-4-methylpentan-2-one .
user
C22H25ClFNO3
assistant