You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-(5-methylthiophen-2-yl)-2-oxoethyl] 2-[(Z)-(4-methoxyphenyl)methylideneamino]oxyacetate is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H17NO5S
assistant