You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[[1-(2-methoxyethyl)pyrrolidin-2-yl]methyl]-2-methyl-3-(3,3,3-trifluoropropyl)guanidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H25F3N4O
assistant