You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-ethyl-2-[[2-(4-methylpiperazin-1-yl)pyridin-3-yl]methyl]-3-(3,3,3-trifluoropropyl)guanidine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H27F3N6
assistant