You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[(5-methyl-2-thiophen-2-yl-1,3-oxazol-4-yl)methylsulfanyl]-4-(oxolan-2-ylmethyl)-1H-1,2,4-triazol-5-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C16H18N4O3S2
assistant