You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named 1-ethyl-2-[[6-(4-methylpiperidin-1-yl)pyridin-3-yl]methyl]-3-[[4-(trifluoromethyl)-1,3-thiazol-2-yl]methyl]guanidine by IUPAC nomenclature, provide its molecular formula.
user
C20H27F3N6S
assistant