You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name sodium;2-methoxycarbonyl-3-[[(2E)-2-methoxyimino-2-(2-methyl-1,3-thiazol-4-yl)acetyl]amino]-4-oxoazetidine-1-sulfonate into its molecular formula.
user
C12H13N4NaO8S2
assistant