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 3-diethoxyphosphoryl-7-methylsulfanyl-[1,2,4]triazolo[5,1-c][1,2,4]triazin-4-amine .
user
C9H15N6O3PS
assistant