You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-(1-cyclopentylpyrrolidin-3-yl)-2-methyl-3-[3-[[5-(trifluoromethyl)pyridin-2-yl]amino]propyl]guanidine .
user
C20H31F3N6
assistant