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-methyl-N-[5-[2-[(5-methyl-1,2-oxazol-3-yl)amino]-2-oxoethyl]sulfanyl-1,3,4-thiadiazol-2-yl]but-2-enamide .
user
C13H15N5O3S2
assistant