You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (4-cyclobutyl-1,4-diazepan-1-yl)-[3-[4-(trifluoromethyl)phenoxy]azetidin-1-yl]methanone ?
user
C20H26F3N3O2
assistant