You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name ethane;methyl (2E)-2-methoxyimino-2-[3-methyl-2-[[(E)-(5-methyl-1,3-thiazol-2-yl)methylideneamino]oxymethyl]phenyl]acetate ?
user
C21H31N3O4S
assistant