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 2-[3-[2-[2-fluoro-4-(trifluoromethyl)phenyl]-1-phenylethoxy]azetidine-1-carbonyl]-7-oxa-5-azaspiro[3.4]octan-6-one .
user
C25H24F4N2O4
assistant