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-ethyl-2-[(3-pentan-3-yl-1,2-oxazol-5-yl)methyl]-3-[2-([1,2,4]triazolo[4,3-a]pyridin-3-yl)ethyl]guanidine .
user
C20H29N7O
assistant