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 methyl 2-cyclopropyl-2-(ethylamino)-3-[(5-methyl-1H-1,2,4-triazol-3-yl)sulfanyl]propanoate .
user
C12H20N4O2S
assistant