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 1-ethyl-3-[3-(oxolan-2-ylmethoxy)propyl]-2-[[3-(2,2,2-trifluoroethoxy)phenyl]methyl]guanidine .
user
C20H30F3N3O3
assistant