You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
methyl 5-[3-(1,3-benzothiazol-2-yl)prop-2-enoyloxymethyl]-2-methylfuran-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H15NO5S
assistant