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 1-[2-(2,5-dioxoimidazolidin-1-yl)ethyl]-3-[1-(3-fluoro-4-methoxyphenyl)ethyl]-2-methylguanidine ?
user
C16H22FN5O3
assistant