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 4,4-dimethyl-2-[[(3-methyl-[1,2,4]triazolo[4,3-a]pyrazin-8-yl)amino]methyl]pentanoic acid .
user
C14H21N5O2
assistant